diff --git a/01_materials/slides/02_comments_and_errors.ipynb b/01_materials/slides/02_comments_and_errors.ipynb
index 721282ef6..8f7fa2ef6 100644
--- a/01_materials/slides/02_comments_and_errors.ipynb
+++ b/01_materials/slides/02_comments_and_errors.ipynb
@@ -22,9 +22,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "ename": "SyntaxError",
+     "evalue": "cannot assign to literal here. Maybe you meant '==' instead of '='? (3541004665.py, line 1)",
+     "output_type": "error",
+     "traceback": [
+      "  \u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[1]\u001b[39m\u001b[32m, line 1\u001b[39m\n\u001b[31m    \u001b[39m\u001b[31m12 = x\u001b[39m\n    ^\n\u001b[31mSyntaxError\u001b[39m\u001b[31m:\u001b[39m cannot assign to literal here. Maybe you meant '==' instead of '='?\n"
+     ]
+    }
+   ],
    "source": [
     "12 = x"
    ]
@@ -38,9 +47,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "ename": "SyntaxError",
+     "evalue": "invalid syntax (934255472.py, line 1)",
+     "output_type": "error",
+     "traceback": [
+      "  \u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[2]\u001b[39m\u001b[32m, line 1\u001b[39m\n\u001b[31m    \u001b[39m\u001b[31m25 -\u001b[39m\n        ^\n\u001b[31mSyntaxError\u001b[39m\u001b[31m:\u001b[39m invalid syntax\n"
+     ]
+    }
+   ],
    "source": [
     "25 -"
    ]
@@ -56,9 +74,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "ename": "NameError",
+     "evalue": "name 'my_variable' is not defined",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+      "\u001b[31mNameError\u001b[39m                                 Traceback (most recent call last)",
+      "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[3]\u001b[39m\u001b[32m, line 1\u001b[39m\n\u001b[32m----> \u001b[39m\u001b[32m1\u001b[39m \u001b[43mmy_variable\u001b[49m + \u001b[32m1\u001b[39m\n",
+      "\u001b[31mNameError\u001b[39m: name 'my_variable' is not defined"
+     ]
+    }
+   ],
    "source": [
     "my_variable + 1"
    ]
@@ -137,7 +167,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "python-env (3.11.14)",
    "language": "python",
    "name": "python3"
   },
@@ -151,7 +181,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.5"
+   "version": "3.11.14"
   }
  },
  "nbformat": 4,
diff --git a/01_materials/slides/03_functions.ipynb b/01_materials/slides/03_functions.ipynb
index dd0ba5fe4..0c2020153 100644
--- a/01_materials/slides/03_functions.ipynb
+++ b/01_materials/slides/03_functions.ipynb
@@ -56,7 +56,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 1,
       "id": "345bda77",
       "metadata": {
         "colab": {
@@ -65,7 +65,15 @@
         "id": "345bda77",
         "outputId": "600f7c37-4cd3-45ee-a5a3-04137eedaeb8"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "42\n"
+          ]
+        }
+      ],
       "source": [
         "print(42)"
       ]
@@ -82,7 +90,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 2,
       "id": "d4bad1e7",
       "metadata": {
         "colab": {
@@ -91,7 +99,18 @@
         "id": "d4bad1e7",
         "outputId": "0a4308b2-73e4-413f-83ad-da40c20749f7"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "int"
+            ]
+          },
+          "execution_count": 2,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "type(42)"
       ]
@@ -108,7 +127,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 3,
       "id": "47c6ffff",
       "metadata": {
         "colab": {
@@ -117,7 +136,15 @@
         "id": "47c6ffff",
         "outputId": "fcc37f1c-563f-4416-93d1-e03dc1a2693b"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "100\n"
+          ]
+        }
+      ],
       "source": [
         "print(10 ** 2)"
       ]
@@ -136,7 +163,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 4,
       "id": "3cf13d07",
       "metadata": {
         "colab": {
@@ -145,14 +172,25 @@
         "id": "3cf13d07",
         "outputId": "3bbf3381-4353-4db0-8682-e0d541affc88"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "43"
+            ]
+          },
+          "execution_count": 4,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "abs(-43)"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 5,
       "id": "bf9825ec",
       "metadata": {
         "colab": {
@@ -161,14 +199,25 @@
         "id": "bf9825ec",
         "outputId": "27d9c8f6-426f-4595-fc36-b2bb7e67d857"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "1"
+            ]
+          },
+          "execution_count": 5,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "round(2/3)"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 6,
       "id": "c1bff1ca",
       "metadata": {
         "colab": {
@@ -177,14 +226,25 @@
         "id": "c1bff1ca",
         "outputId": "e3c36027-b473-440f-d30e-07765bc5ab64"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "3"
+            ]
+          },
+          "execution_count": 6,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "int(3.99)"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 7,
       "id": "9c79d3da",
       "metadata": {
         "colab": {
@@ -193,7 +253,18 @@
         "id": "9c79d3da",
         "outputId": "63f9f2a8-ef80-4a62-c732-cec979ea55da"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "7.0"
+            ]
+          },
+          "execution_count": 7,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "float(7)"
       ]
@@ -217,7 +288,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 8,
       "id": "49041e2a",
       "metadata": {
         "colab": {
@@ -226,7 +297,15 @@
         "id": "49041e2a",
         "outputId": "b247fd1b-5004-472a-f036-336f5a8e28e7"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "<class 'int'>\n"
+          ]
+        }
+      ],
       "source": [
         "print(type(round(2 * 1.5)))"
       ]
@@ -243,10 +322,25 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 9,
       "id": "95c23628",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "Help on built-in function round in module builtins:\n",
+            "\n",
+            "round(number, ndigits=None)\n",
+            "    Round a number to a given precision in decimal digits.\n",
+            "    \n",
+            "    The return value is an integer if ndigits is omitted or None.  Otherwise\n",
+            "    the return value has the same type as the number.  ndigits may be negative.\n",
+            "\n"
+          ]
+        }
+      ],
       "source": [
         "help(round)"
       ]
@@ -307,7 +401,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 10,
       "id": "69a1cfea",
       "metadata": {
         "id": "69a1cfea"
@@ -331,7 +425,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 11,
       "id": "c9ed1dff",
       "metadata": {
         "colab": {
@@ -340,7 +434,16 @@
         "id": "c9ed1dff",
         "outputId": "3ea1b703-5025-41ab-92f4-cddac7bbe136"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "212.0\n",
+            "12.2\n"
+          ]
+        }
+      ],
       "source": [
         "print(c_to_f(100))\n",
         "print(c_to_f(-11))"
@@ -358,7 +461,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 12,
       "id": "f27a7980",
       "metadata": {
         "colab": {
@@ -367,7 +470,18 @@
         "id": "f27a7980",
         "outputId": "53a6e7a6-8d5d-4ba5-bf0a-0562cc0b486c"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "32.0"
+            ]
+          },
+          "execution_count": 12,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "freezing_f = c_to_f(0)\n",
         "freezing_f"
@@ -384,12 +498,35 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 15,
       "id": "5fb6b608",
       "metadata": {},
       "outputs": [],
       "source": [
-        "# Your code goes here"
+        "# Your code goes here\n",
+        "def f_to_c(degrees_f):\n",
+        "    \"\"\" Convert degrees from Fahrenheit to Celsius \"\"\"\n",
+        "    return ((degrees_f - 32)*(5/9))"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 17,
+      "id": "d47d78fa",
+      "metadata": {},
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "100.0\n",
+            "-11.0\n"
+          ]
+        }
+      ],
+      "source": [
+        "print(f_to_c(212))\n",
+        "print(f_to_c(12.2))"
       ]
     },
     {
@@ -406,7 +543,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 18,
       "id": "e8f57c4f",
       "metadata": {
         "colab": {
@@ -415,7 +552,15 @@
         "id": "e8f57c4f",
         "outputId": "2254f921-da30-4709-f668-f6afdfbcf901"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "0.0\n"
+          ]
+        }
+      ],
       "source": [
         "def divide(dividend, divisor):\n",
         "    return dividend / divisor\n",
@@ -425,7 +570,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 20,
       "id": "81d0aa06",
       "metadata": {
         "colab": {
@@ -435,7 +580,20 @@
         "id": "81d0aa06",
         "outputId": "0b4bfb64-27f4-44a0-ccdd-543e1e1a0cb9"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "ename": "ZeroDivisionError",
+          "evalue": "division by zero",
+          "output_type": "error",
+          "traceback": [
+            "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+            "\u001b[31mZeroDivisionError\u001b[39m                         Traceback (most recent call last)",
+            "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[20]\u001b[39m\u001b[32m, line 1\u001b[39m\n\u001b[32m----> \u001b[39m\u001b[32m1\u001b[39m \u001b[38;5;28mprint\u001b[39m(\u001b[43mdivide\u001b[49m\u001b[43m(\u001b[49m\u001b[32;43m2\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[32;43m0\u001b[39;49m\u001b[43m)\u001b[49m)\n",
+            "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[18]\u001b[39m\u001b[32m, line 2\u001b[39m, in \u001b[36mdivide\u001b[39m\u001b[34m(dividend, divisor)\u001b[39m\n\u001b[32m      1\u001b[39m \u001b[38;5;28;01mdef\u001b[39;00m\u001b[38;5;250m \u001b[39m\u001b[34mdivide\u001b[39m(dividend, divisor):\n\u001b[32m----> \u001b[39m\u001b[32m2\u001b[39m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[43mdividend\u001b[49m\u001b[43m \u001b[49m\u001b[43m/\u001b[49m\u001b[43m \u001b[49m\u001b[43mdivisor\u001b[49m\n",
+            "\u001b[31mZeroDivisionError\u001b[39m: division by zero"
+          ]
+        }
+      ],
       "source": [
         "print(divide(2, 0))"
       ]
@@ -456,7 +614,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 21,
       "id": "2287bab3",
       "metadata": {
         "colab": {
@@ -465,7 +623,16 @@
         "id": "2287bab3",
         "outputId": "a9692e79-99cd-4911-f494-af60185a90c7"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "0.65\n",
+            "0.4\n"
+          ]
+        }
+      ],
       "source": [
         "def calc_sales_tax(price, tax_rate=0.13):\n",
         "    return price * tax_rate\n",
@@ -490,7 +657,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 22,
       "id": "1e81e377",
       "metadata": {
         "id": "1e81e377"
@@ -515,7 +682,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 23,
       "id": "34b595e3",
       "metadata": {
         "colab": {
@@ -524,7 +691,18 @@
         "id": "34b595e3",
         "outputId": "2cbdadef-e05c-4d6f-b9de-39ebca33259c"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "133.0"
+            ]
+          },
+          "execution_count": 23,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "calc_total_bill(100)"
       ]
@@ -541,7 +719,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 24,
       "id": "bede3708",
       "metadata": {
         "colab": {
@@ -550,7 +728,15 @@
         "id": "bede3708",
         "outputId": "1408e666-dc36-4504-abe6-86bfabb0e762"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "142.0\n"
+          ]
+        }
+      ],
       "source": [
         "print(calc_total_bill(100, 0.22))"
       ]
@@ -567,7 +753,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 25,
       "id": "d1d9f3d2",
       "metadata": {
         "colab": {
@@ -576,7 +762,15 @@
         "id": "d1d9f3d2",
         "outputId": "42cd36d2-717b-4729-9f87-d7b073793a37"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "135.0\n"
+          ]
+        }
+      ],
       "source": [
         "print(calc_total_bill(100, tip_rate=0.22))"
       ]
@@ -595,7 +789,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 26,
       "id": "8dc69f93",
       "metadata": {
         "colab": {
@@ -604,7 +798,18 @@
         "id": "8dc69f93",
         "outputId": "a4575900-536e-4a9d-d3cb-8da053af11d5"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "Help on function c_to_f in module __main__:\n",
+            "\n",
+            "c_to_f(degrees_c)\n",
+            "\n"
+          ]
+        }
+      ],
       "source": [
         "help(c_to_f)"
       ]
@@ -633,7 +838,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 27,
       "id": "5c55eb30",
       "metadata": {
         "colab": {
@@ -642,7 +847,19 @@
         "id": "5c55eb30",
         "outputId": "9528ca9e-50f6-4d24-b4d8-da0f7029c4c2"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "Help on function c_to_f in module __main__:\n",
+            "\n",
+            "c_to_f(degrees_c)\n",
+            "    Convert degrees from Celsius to Fahrenheit\n",
+            "\n"
+          ]
+        }
+      ],
       "source": [
         "def c_to_f(degrees_c):\n",
         "    '''Convert degrees from Celsius to Fahrenheit'''\n",
@@ -683,7 +900,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 28,
       "id": "3799ebfc",
       "metadata": {
         "colab": {
@@ -693,7 +910,19 @@
         "id": "3799ebfc",
         "outputId": "ae4453b0-1607-4f16-f98b-2ef866ad0e1e"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "ename": "NameError",
+          "evalue": "name 'degrees_c' is not defined",
+          "output_type": "error",
+          "traceback": [
+            "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+            "\u001b[31mNameError\u001b[39m                                 Traceback (most recent call last)",
+            "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[28]\u001b[39m\u001b[32m, line 1\u001b[39m\n\u001b[32m----> \u001b[39m\u001b[32m1\u001b[39m \u001b[43mdegrees_c\u001b[49m\n",
+            "\u001b[31mNameError\u001b[39m: name 'degrees_c' is not defined"
+          ]
+        }
+      ],
       "source": [
         "degrees_c"
       ]
@@ -720,7 +949,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 29,
       "id": "8d6408c9",
       "metadata": {
         "colab": {
@@ -729,7 +958,15 @@
         "id": "8d6408c9",
         "outputId": "81da20d0-3622-4c9e-8aac-57ee1be6dbf9"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "100 212.0\n"
+          ]
+        }
+      ],
       "source": [
         "# boiling_c is a global variable\n",
         "boiling_c = 100\n",
@@ -789,7 +1026,7 @@
       "toc_visible": true
     },
     "kernelspec": {
-      "display_name": "Python 3 (ipykernel)",
+      "display_name": "python-env (3.11.14)",
       "language": "python",
       "name": "python3"
     },
@@ -803,7 +1040,7 @@
       "name": "python",
       "nbconvert_exporter": "python",
       "pygments_lexer": "ipython3",
-      "version": "3.11.8"
+      "version": "3.11.14"
     },
     "rise": {
       "scroll": true,
diff --git a/01_materials/slides/04_strings.ipynb b/01_materials/slides/04_strings.ipynb
index 8641eeb3e..70e6839ee 100644
--- a/01_materials/slides/04_strings.ipynb
+++ b/01_materials/slides/04_strings.ipynb
@@ -252,7 +252,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 1,
       "id": "f798ecd5",
       "metadata": {
         "colab": {
@@ -262,7 +262,18 @@
         "id": "f798ecd5",
         "outputId": "ef00a60a-3e44-4415-f36c-d2bdf25e2fe1"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "\"This string won't result in an error thanks to the escape sequence\""
+            ]
+          },
+          "execution_count": 1,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "'This string won\\'t result in an error thanks to the escape sequence'"
       ]
@@ -291,7 +302,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 2,
       "id": "4e36d1f4",
       "metadata": {
         "colab": {
@@ -301,7 +312,18 @@
         "id": "4e36d1f4",
         "outputId": "b8e57f97-1c4e-4a47-acd0-f81bfa38210c"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "'hello world'"
+            ]
+          },
+          "execution_count": 2,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# adding strings together concatenates them\n",
         "'hello' + ' ' + 'world'"
@@ -309,7 +331,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 4,
       "id": "69d734a3",
       "metadata": {
         "colab": {
@@ -319,15 +341,26 @@
         "id": "69d734a3",
         "outputId": "819999ca-6460-4588-ed16-8da34c4ebae4"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "'ha ha ha '"
+            ]
+          },
+          "execution_count": 4,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# multiplying a string repeats it\n",
-        "'ha' * 3"
+        "('ha' + ' ') * 3"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 5,
       "id": "444cd7f1",
       "metadata": {
         "colab": {
@@ -337,7 +370,19 @@
         "id": "444cd7f1",
         "outputId": "2c58cc3f-dc2e-44cc-81e1-d467bef8db4e"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "ename": "TypeError",
+          "evalue": "can only concatenate str (not \"int\") to str",
+          "output_type": "error",
+          "traceback": [
+            "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+            "\u001b[31mTypeError\u001b[39m                                 Traceback (most recent call last)",
+            "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[5]\u001b[39m\u001b[32m, line 2\u001b[39m\n\u001b[32m      1\u001b[39m \u001b[38;5;66;03m# mixing data types results in an error\u001b[39;00m\n\u001b[32m----> \u001b[39m\u001b[32m2\u001b[39m \u001b[33;43m'\u001b[39;49m\u001b[33;43mThe year is \u001b[39;49m\u001b[33;43m'\u001b[39;49m\u001b[43m \u001b[49m\u001b[43m+\u001b[49m\u001b[43m \u001b[49m\u001b[32;43m2020\u001b[39;49m\n",
+            "\u001b[31mTypeError\u001b[39m: can only concatenate str (not \"int\") to str"
+          ]
+        }
+      ],
       "source": [
         "# mixing data types results in an error\n",
         "'The year is ' + 2020"
@@ -357,7 +402,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 6,
       "id": "b922b788",
       "metadata": {
         "colab": {
@@ -366,14 +411,25 @@
         "id": "b922b788",
         "outputId": "a40e63ee-89bb-479e-dc21-c04b53502d2b"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "False"
+            ]
+          },
+          "execution_count": 6,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "'apple' == 'Apple'"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 7,
       "id": "5f0f4faa",
       "metadata": {
         "colab": {
@@ -382,14 +438,25 @@
         "id": "5f0f4faa",
         "outputId": "3c0a30f0-dc4b-4a93-f1f0-d89a8806cd5a"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "True"
+            ]
+          },
+          "execution_count": 7,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "'apple' != 'Apple'"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 8,
       "id": "1158f00c",
       "metadata": {
         "colab": {
@@ -398,7 +465,18 @@
         "id": "1158f00c",
         "outputId": "a88646b6-af0a-4100-fcfe-e3439a3097cd"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "False"
+            ]
+          },
+          "execution_count": 8,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "'20' == 20"
       ]
@@ -432,7 +510,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 12,
       "id": "c231d8f4",
       "metadata": {
         "colab": {
@@ -441,13 +519,21 @@
         "id": "c231d8f4",
         "outputId": "c98c26a1-0f5f-417a-e0dc-7335d7f31491"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "Initials are A.L.\n"
+          ]
+        }
+      ],
       "source": [
         "first_name = 'Ada'\n",
         "last_name = 'Lovelace'\n",
         "\n",
         "# print initials\n",
-        "print('Initials are', first_name[0], last_name[0])"
+        "print('Initials are', (first_name[0] + '.' + last_name[0] + '.'))"
       ]
     },
     {
@@ -462,7 +548,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 13,
       "id": "2a8ab4a2",
       "metadata": {
         "colab": {
@@ -471,14 +557,22 @@
         "id": "2a8ab4a2",
         "outputId": "d8ba7212-f7fb-45ea-d702-a650a66063ef"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "A lace\n"
+          ]
+        }
+      ],
       "source": [
         "print(first_name[:1], last_name[4:])"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 14,
       "id": "474b7246",
       "metadata": {
         "colab": {
@@ -488,7 +582,18 @@
         "id": "474b7246",
         "outputId": "0eab5c5c-1800-4285-8634-dc4d14e2f017"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "'555'"
+            ]
+          },
+          "execution_count": 14,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "phone_number = '+1 555-123-4567'\n",
         "\n",
@@ -508,7 +613,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 15,
       "id": "41ee9c63",
       "metadata": {
         "colab": {
@@ -518,7 +623,18 @@
         "id": "41ee9c63",
         "outputId": "a28e1821-c5d8-49d7-8eb9-0f5efced5092"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "'4567'"
+            ]
+          },
+          "execution_count": 15,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "phone_number[-4:]"
       ]
@@ -534,12 +650,36 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 19,
       "id": "a6c3691a",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "5.666666666666667\n"
+          ]
+        },
+        {
+          "data": {
+            "text/plain": [
+              "'lifrag'"
+            ]
+          },
+          "execution_count": 19,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
-        "# Your code goes here"
+        "# Your code goes here\n",
+        "word = 'supercalifragilisticexpialidocious'\n",
+        "\n",
+        "len(word)\n",
+        "print(34/6)\n",
+        "\n",
+        "word[7:13]"
       ]
     },
     {
@@ -556,7 +696,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 20,
       "id": "052d6727",
       "metadata": {
         "id": "052d6727"
@@ -568,7 +708,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 21,
       "id": "22261d43",
       "metadata": {
         "colab": {
@@ -577,14 +717,25 @@
         "id": "22261d43",
         "outputId": "98df15ab-64db-4b14-ad0e-3b760beccdc1"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "True"
+            ]
+          },
+          "execution_count": 21,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "'R' in job_qualifications"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 22,
       "id": "0345fd67",
       "metadata": {
         "colab": {
@@ -593,14 +744,25 @@
         "id": "0345fd67",
         "outputId": "26583257-42da-4bab-b326-c7249f67c613"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "False"
+            ]
+          },
+          "execution_count": 22,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "' r ' in job_qualifications"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 23,
       "id": "c54f65ef",
       "metadata": {
         "colab": {
@@ -609,7 +771,18 @@
         "id": "c54f65ef",
         "outputId": "ede4fcad-d092-46d1-a1ca-ffa1f8a8bec5"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "False"
+            ]
+          },
+          "execution_count": 23,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "'JavaScript' in job_qualifications"
       ]
@@ -626,10 +799,18 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 24,
       "id": "0556df8e",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "1 fish, 2 fish\n"
+          ]
+        }
+      ],
       "source": [
         "# We can print strings, ints, and floats together\n",
         "print(1, 'fish,', 2, 'fish')"
@@ -637,10 +818,21 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 25,
       "id": "6a7903e2",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "80"
+            ]
+          },
+          "execution_count": 25,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "len('Sometimes we type long-winded sentences to meet word counts or character counts.')"
       ]
@@ -668,10 +860,21 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 26,
       "id": "6cee9074",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "'I AM NOT YELLING'"
+            ]
+          },
+          "execution_count": 26,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# convert a string to all caps\n",
         "'I am not yelling'.upper()"
@@ -679,10 +882,21 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 27,
       "id": "2c7eafdf",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "0"
+            ]
+          },
+          "execution_count": 27,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# count the 'e's\n",
         "'This string is unusual'.count('e')"
@@ -690,10 +904,21 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 28,
       "id": "9e016ebe",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "True"
+            ]
+          },
+          "execution_count": 28,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# check if a string ends with a substring\n",
         "'file_name.csv'.endswith('.csv')"
@@ -701,10 +926,21 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 29,
       "id": "a9beef6b",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "'long_file_name_with_spaces.csv'"
+            ]
+          },
+          "execution_count": 29,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "# replace text\n",
         "'long file name with spaces.csv'.replace(' ', '_')"
@@ -730,10 +966,21 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 30,
       "id": "5ae0487a",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "\"Ada Lovelace's initials are A. L.\""
+            ]
+          },
+          "execution_count": 30,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "first_name = 'Ada'\n",
         "last_name = 'Lovelace'\n",
@@ -751,10 +998,21 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 31,
       "id": "05e7baca",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "\"Ada Lovelace's initials are A. L.\""
+            ]
+          },
+          "execution_count": 31,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "f'Ada Lovelace\\'s initials are {first_name[0]}. {last_name[0]}.'"
       ]
@@ -780,10 +1038,22 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 32,
       "id": "31fed757",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "Help on method_descriptor:\n",
+            "\n",
+            "lower(self, /) unbound builtins.str method\n",
+            "    Return a copy of the string converted to lowercase.\n",
+            "\n"
+          ]
+        }
+      ],
       "source": [
         "help(str.lower)"
       ]
@@ -806,7 +1076,7 @@
       "toc_visible": true
     },
     "kernelspec": {
-      "display_name": "Python 3 (ipykernel)",
+      "display_name": "python-env (3.11.14)",
       "language": "python",
       "name": "python3"
     },
@@ -820,7 +1090,7 @@
       "name": "python",
       "nbconvert_exporter": "python",
       "pygments_lexer": "ipython3",
-      "version": "3.11.8"
+      "version": "3.11.14"
     },
     "rise": {
       "scroll": true,
diff --git a/01_materials/slides/07_control_flow.ipynb b/01_materials/slides/07_control_flow.ipynb
index ccf1abbbe..bcdf37f7d 100644
--- a/01_materials/slides/07_control_flow.ipynb
+++ b/01_materials/slides/07_control_flow.ipynb
@@ -256,7 +256,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 1,
       "id": "2dbfb92a",
       "metadata": {
         "colab": {
@@ -265,14 +265,25 @@
         "id": "2dbfb92a",
         "outputId": "e1324eaf-822e-4ef2-e64b-de51cf0c1b1f"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "True"
+            ]
+          },
+          "execution_count": 1,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "'Python' == 'python' or True"
       ]
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 2,
       "id": "92880290",
       "metadata": {
         "colab": {
@@ -281,7 +292,18 @@
         "id": "92880290",
         "outputId": "454d8067-6d07-43dd-d911-e10114793c60"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "data": {
+            "text/plain": [
+              "False"
+            ]
+          },
+          "execution_count": 2,
+          "metadata": {},
+          "output_type": "execute_result"
+        }
+      ],
       "source": [
         "not (7 % 2 == 1) or False"
       ]
@@ -410,7 +432,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 3,
       "id": "df30db67",
       "metadata": {
         "colab": {
@@ -419,7 +441,15 @@
         "id": "df30db67",
         "outputId": "001e0d5c-d1ee-409c-b8bf-5f1c30b9ee7a"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "We are in the 21st century.\n"
+          ]
+        }
+      ],
       "source": [
         "year = 2022\n",
         "\n",
@@ -474,7 +504,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 4,
       "id": "1f623bb3",
       "metadata": {
         "colab": {
@@ -483,7 +513,15 @@
         "id": "1f623bb3",
         "outputId": "acdb38de-1bd8-4a8d-f9cf-6be1e99cf717"
       },
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "We are in the 19th century.\n"
+          ]
+        }
+      ],
       "source": [
         "year = 1867\n",
         "\n",
@@ -515,12 +553,32 @@
     },
     {
       "cell_type": "code",
-      "execution_count": null,
+      "execution_count": 8,
       "id": "a014bfd8",
       "metadata": {},
-      "outputs": [],
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "it's really hot!\n"
+          ]
+        }
+      ],
       "source": [
-        "# Your code goes here"
+        "# Your code goes here\n",
+        "temp = 32\n",
+        "\n",
+        "if temp > 45:\n",
+        "    print('it\\'s extremely hot!')\n",
+        "elif temp >= 31:\n",
+        "    print('it\\'s really hot!')\n",
+        "elif temp >= 16:\n",
+        "    print('it\\'s hot!')\n",
+        "elif temp >= 1:\n",
+        "    print('it\\'s cold!')\n",
+        "else: \n",
+        "    print('it\\'s freezing!')"
       ]
     },
     {
@@ -3210,7 +3268,7 @@
       "provenance": []
     },
     "kernelspec": {
-      "display_name": "Python 3 (ipykernel)",
+      "display_name": "python-env (3.11.14)",
       "language": "python",
       "name": "python3"
     },
@@ -3224,7 +3282,7 @@
       "name": "python",
       "nbconvert_exporter": "python",
       "pygments_lexer": "ipython3",
-      "version": "3.11.5"
+      "version": "3.11.14"
     },
     "rise": {
       "scroll": true,
diff --git a/02_activities/assignments/assignment_2.ipynb b/02_activities/assignments/assignment_2.ipynb
index 1ae6fe242..210713bfd 100644
--- a/02_activities/assignments/assignment_2.ipynb
+++ b/02_activities/assignments/assignment_2.ipynb
@@ -76,7 +76,134 @@
    "metadata": {
     "id": "n0m48JsS-nMC"
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "0,0,1,3,1,2,4,7,8,3,3,3,10,5,7,4,7,7,12,18,6,13,11,11,7,7,4,6,8,8,4,4,5,7,3,4,2,3,0,0\n",
+      "\n",
+      "0,1,2,1,2,1,3,2,2,6,10,11,5,9,4,4,7,16,8,6,18,4,12,5,12,7,11,5,11,3,3,5,4,4,5,5,1,1,0,1\n",
+      "\n",
+      "0,1,1,3,3,2,6,2,5,9,5,7,4,5,4,15,5,11,9,10,19,14,12,17,7,12,11,7,4,2,10,5,4,2,2,3,2,2,1,1\n",
+      "\n",
+      "0,0,2,0,4,2,2,1,6,7,10,7,9,13,8,8,15,10,10,7,17,4,4,7,6,15,6,4,9,11,3,5,6,3,3,4,2,3,2,1\n",
+      "\n",
+      "0,1,1,3,3,1,3,5,2,4,4,7,6,5,3,10,8,10,6,17,9,14,9,7,13,9,12,6,7,7,9,6,3,2,2,4,2,0,1,1\n",
+      "\n",
+      "0,0,1,2,2,4,2,1,6,4,7,6,6,9,9,15,4,16,18,12,12,5,18,9,5,3,10,3,12,7,8,4,7,3,5,4,4,3,2,1\n",
+      "\n",
+      "0,0,2,2,4,2,2,5,5,8,6,5,11,9,4,13,5,12,10,6,9,17,15,8,9,3,13,7,8,2,8,8,4,2,3,5,4,1,1,1\n",
+      "\n",
+      "0,0,1,2,3,1,2,3,5,3,7,8,8,5,10,9,15,11,18,19,20,8,5,13,15,10,6,10,6,7,4,9,3,5,2,5,3,2,2,1\n",
+      "\n",
+      "0,0,0,3,1,5,6,5,5,8,2,4,11,12,10,11,9,10,17,11,6,16,12,6,8,14,6,13,10,11,4,6,4,7,6,3,2,1,0,0\n",
+      "\n",
+      "0,1,1,2,1,3,5,3,5,8,6,8,12,5,13,6,13,8,16,8,18,15,16,14,12,7,3,8,9,11,2,5,4,5,1,4,1,2,0,0\n",
+      "\n",
+      "0,1,0,0,4,3,3,5,5,4,5,8,7,10,13,3,7,13,15,18,8,15,15,16,11,14,12,4,10,10,4,3,4,5,5,3,3,2,2,1\n",
+      "\n",
+      "0,1,0,0,3,4,2,7,8,5,2,8,11,5,5,8,14,11,6,11,9,16,18,6,12,5,4,3,5,7,8,3,5,4,5,5,4,0,1,1\n",
+      "\n",
+      "0,0,2,1,4,3,6,4,6,7,9,9,3,11,6,12,4,17,13,15,13,12,8,7,4,7,12,9,5,6,5,4,7,3,5,4,2,3,0,1\n",
+      "\n",
+      "0,0,0,0,1,3,1,6,6,5,5,6,3,6,13,3,10,13,9,16,15,9,11,4,6,4,11,11,12,3,5,8,7,4,6,4,1,3,0,0\n",
+      "\n",
+      "0,1,2,1,1,1,4,1,5,2,3,3,10,7,13,5,7,17,6,9,12,13,10,4,12,4,6,7,6,10,8,2,5,1,3,4,2,0,2,0\n",
+      "\n",
+      "0,1,1,0,1,2,4,3,6,4,7,5,5,7,5,10,7,8,18,17,9,8,12,11,11,11,14,6,11,2,10,9,5,6,5,3,4,2,2,0\n",
+      "\n",
+      "0,0,0,0,2,3,6,5,7,4,3,2,10,7,9,11,12,5,12,9,13,19,14,17,5,13,8,11,5,10,9,8,7,5,3,1,4,0,2,1\n",
+      "\n",
+      "0,0,0,1,2,1,4,3,6,7,4,2,12,6,12,4,14,7,8,14,13,19,6,9,12,6,4,13,6,7,2,3,6,5,4,2,3,0,1,0\n",
+      "\n",
+      "0,0,2,1,2,5,4,2,7,8,4,7,11,9,8,11,15,17,11,12,7,12,7,6,7,4,13,5,7,6,6,9,2,1,1,2,2,0,1,0\n",
+      "\n",
+      "0,1,2,0,1,4,3,2,2,7,3,3,12,13,11,13,6,5,9,16,9,19,16,11,8,9,14,12,11,9,6,6,6,1,1,2,4,3,1,1\n",
+      "\n",
+      "0,1,1,3,1,4,4,1,8,2,2,3,12,12,10,15,13,6,5,5,18,19,9,6,11,12,7,6,3,6,3,2,4,3,1,5,4,2,2,0\n",
+      "\n",
+      "0,0,2,3,2,3,2,6,3,8,7,4,6,6,9,5,12,12,8,5,12,10,16,7,14,12,5,4,6,9,8,5,6,6,1,4,3,0,2,0\n",
+      "\n",
+      "0,0,0,3,4,5,1,7,7,8,2,5,12,4,10,14,5,5,17,13,16,15,13,6,12,9,10,3,3,7,4,4,8,2,6,5,1,0,1,0\n",
+      "\n",
+      "0,1,1,1,1,3,3,2,6,3,9,7,8,8,4,13,7,14,11,15,14,13,5,13,7,14,9,10,5,11,5,3,5,1,1,4,4,1,2,0\n",
+      "\n",
+      "0,1,1,1,2,3,5,3,6,3,7,10,3,8,12,4,12,9,15,5,17,16,5,10,10,15,7,5,3,11,5,5,6,1,1,1,1,0,2,1\n",
+      "\n",
+      "0,0,2,1,3,3,2,7,4,4,3,8,12,9,12,9,5,16,8,17,7,11,14,7,13,11,7,12,12,7,8,5,7,2,2,4,1,1,1,0\n",
+      "\n",
+      "0,0,1,2,4,2,2,3,5,7,10,5,5,12,3,13,4,13,7,15,9,12,18,14,16,12,3,11,3,2,7,4,8,2,2,1,3,0,1,1\n",
+      "\n",
+      "0,0,1,1,1,5,1,5,2,2,4,10,4,8,14,6,15,6,12,15,15,13,7,17,4,5,11,4,8,7,9,4,5,3,2,5,4,3,2,1\n",
+      "\n",
+      "0,0,2,2,3,4,6,3,7,6,4,5,8,4,7,7,6,11,12,19,20,18,9,5,4,7,14,8,4,3,7,7,8,3,5,4,1,3,1,0\n",
+      "\n",
+      "0,0,0,1,4,4,6,3,8,6,4,10,12,3,3,6,8,7,17,16,14,15,17,4,14,13,4,4,12,11,6,9,5,5,2,5,2,1,0,1\n",
+      "\n",
+      "0,1,1,0,3,2,4,6,8,6,2,3,11,3,14,14,12,8,8,16,13,7,6,9,15,7,6,4,10,8,10,4,2,6,5,5,2,3,2,1\n",
+      "\n",
+      "0,0,2,3,3,4,5,3,6,7,10,5,10,13,14,3,8,10,9,9,19,15,15,6,8,8,11,5,5,7,3,6,6,4,5,2,2,3,0,0\n",
+      "\n",
+      "0,1,2,2,2,3,6,6,6,7,6,3,11,12,13,15,15,10,14,11,11,8,6,12,10,5,12,7,7,11,5,8,5,2,5,5,2,0,2,1\n",
+      "\n",
+      "0,0,2,1,3,5,6,7,5,8,9,3,12,10,12,4,12,9,13,10,10,6,10,11,4,15,13,7,3,4,2,9,7,2,4,2,1,2,1,1\n",
+      "\n",
+      "0,0,1,2,4,1,5,5,2,3,4,8,8,12,5,15,9,17,7,19,14,18,12,17,14,4,13,13,8,11,5,6,6,2,3,5,2,1,1,1\n",
+      "\n",
+      "0,0,0,3,1,3,6,4,3,4,8,3,4,8,3,11,5,7,10,5,15,9,16,17,16,3,8,9,8,3,3,9,5,1,6,5,4,2,2,0\n",
+      "\n",
+      "0,1,2,2,2,5,5,1,4,6,3,6,5,9,6,7,4,7,16,7,16,13,9,16,12,6,7,9,10,3,6,4,5,4,6,3,4,3,2,1\n",
+      "\n",
+      "0,1,1,2,3,1,5,1,2,2,5,7,6,6,5,10,6,7,17,13,15,16,17,14,4,4,10,10,10,11,9,9,5,4,4,2,1,0,1,0\n",
+      "\n",
+      "0,1,0,3,2,4,1,1,5,9,10,7,12,10,9,15,12,13,13,6,19,9,10,6,13,5,13,6,7,2,5,5,2,1,1,1,1,3,0,1\n",
+      "\n",
+      "0,1,1,3,1,1,5,5,3,7,2,2,3,12,4,6,8,15,16,16,15,4,14,5,13,10,7,10,6,3,2,3,6,3,3,5,4,3,2,1\n",
+      "\n",
+      "0,0,0,2,2,1,3,4,5,5,6,5,5,12,13,5,7,5,11,15,18,7,9,10,14,12,11,9,10,3,2,9,6,2,2,5,3,0,0,1\n",
+      "\n",
+      "0,0,1,3,3,1,2,1,8,9,2,8,10,3,8,6,10,13,11,17,19,6,4,11,6,12,7,5,5,4,4,8,2,6,6,4,2,2,0,0\n",
+      "\n",
+      "0,1,1,3,4,5,2,1,3,7,9,6,10,5,8,15,11,12,15,6,12,16,6,4,14,3,12,9,6,11,5,8,5,5,6,1,2,1,2,0\n",
+      "\n",
+      "0,0,1,3,1,4,3,6,7,8,5,7,11,3,6,11,6,10,6,19,18,14,6,10,7,9,8,5,8,3,10,2,5,1,5,4,2,1,0,1\n",
+      "\n",
+      "0,1,1,3,3,4,4,6,3,4,9,9,7,6,8,15,12,15,6,11,6,18,5,14,15,12,9,8,3,6,10,6,8,7,2,5,4,3,1,1\n",
+      "\n",
+      "0,1,2,2,4,3,1,4,8,9,5,10,10,3,4,6,7,11,16,6,14,9,11,10,10,7,10,8,8,4,5,8,4,4,5,2,4,1,1,0\n",
+      "\n",
+      "0,0,2,3,4,5,4,6,2,9,7,4,9,10,8,11,16,12,15,17,19,10,18,13,15,11,8,4,7,11,6,7,6,5,1,3,1,0,0,0\n",
+      "\n",
+      "0,1,1,3,1,4,6,2,8,2,10,3,11,9,13,15,5,15,6,10,10,5,14,15,12,7,4,5,11,4,6,9,5,6,1,1,2,1,2,1\n",
+      "\n",
+      "0,0,1,3,2,5,1,2,7,6,6,3,12,9,4,14,4,6,12,9,12,7,11,7,16,8,13,6,7,6,10,7,6,3,1,5,4,3,0,0\n",
+      "\n",
+      "0,0,1,2,3,4,5,7,5,4,10,5,12,12,5,4,7,9,18,16,16,10,15,15,10,4,3,7,5,9,4,6,2,4,1,4,2,2,2,1\n",
+      "\n",
+      "0,1,2,1,1,3,5,3,6,3,10,10,11,10,13,10,13,6,6,14,5,4,5,5,9,4,12,7,7,4,7,9,3,3,6,3,4,1,2,0\n",
+      "\n",
+      "0,1,2,2,3,5,2,4,5,6,8,3,5,4,3,15,15,12,16,7,20,15,12,8,9,6,12,5,8,3,8,5,4,1,3,2,1,3,1,0\n",
+      "\n",
+      "0,0,0,2,4,4,5,3,3,3,10,4,4,4,14,11,15,13,10,14,11,17,9,11,11,7,10,12,10,10,10,8,7,5,2,2,4,1,2,1\n",
+      "\n",
+      "0,0,2,1,1,4,4,7,2,9,4,10,12,7,6,6,11,12,9,15,15,6,6,13,5,12,9,6,4,7,7,6,5,4,1,4,2,2,2,1\n",
+      "\n",
+      "0,1,2,1,1,4,5,4,4,5,9,7,10,3,13,13,8,9,17,16,16,15,12,13,5,12,10,9,11,9,4,5,5,2,2,5,1,0,0,1\n",
+      "\n",
+      "0,0,1,3,2,3,6,4,5,7,2,4,11,11,3,8,8,16,5,13,16,5,8,8,6,9,10,10,9,3,3,5,3,5,4,5,3,3,0,1\n",
+      "\n",
+      "0,1,1,2,2,5,1,7,4,2,5,5,4,6,6,4,16,11,14,16,14,14,8,17,4,14,13,7,6,3,7,7,5,6,3,4,2,2,1,1\n",
+      "\n",
+      "0,1,1,1,4,1,6,4,6,3,6,5,6,4,14,13,13,9,12,19,9,10,15,10,9,10,10,7,5,6,8,6,6,4,3,5,2,1,1,1\n",
+      "\n",
+      "0,0,0,1,4,5,6,3,8,7,9,10,8,6,5,12,15,5,10,5,8,13,18,17,14,9,13,4,10,11,10,8,8,6,5,5,2,0,2,0\n",
+      "\n",
+      "0,0,1,0,3,2,5,4,8,2,9,3,3,10,12,9,14,11,13,8,6,18,11,9,13,11,8,5,5,2,8,5,3,5,4,1,3,1,1,0\n",
+      "\n"
+     ]
+    }
+   ],
    "source": [
     "all_paths = [\n",
     "  \"../../05_src/data/assignment_2_data/inflammation_01.csv\",\n",
@@ -95,8 +222,10 @@
     "\n",
     "with open(all_paths[0], 'r') as f:\n",
     "    # YOUR CODE HERE: Use the readline() or readlines() method to read the .csv file into a variable\n",
-    "    \n",
-    "    # YOUR CODE HERE: Iterate through the variable using a for loop and print each row for inspection"
+    "    rows = f.readlines() # read all lines from the csv file into a list\n",
+    "    # YOUR CODE HERE: Iterate through the variable using a for loop and print each row for inspection\n",
+    "    for row in rows:\n",
+    "        print(row)"
    ]
   },
   {
@@ -130,14 +259,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import numpy as np"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
    "metadata": {
     "id": "82-bk4CBB1w4"
    },
    "outputs": [],
    "source": [
-    "import numpy as np\n",
-    "\n",
     "def patient_summary(file_path, operation):\n",
     "    data = np.loadtxt(fname=file_path, delimiter=',') # Load the data from the file\n",
     "    ax = 1  # This specifies that the operation should be done for each row (patient)\n",
@@ -145,13 +281,13 @@
     "    # Implement the specific operation based on the 'operation' argument\n",
     "    if operation == 'mean':\n",
     "        # YOUR CODE HERE: Calculate the mean (average) number of flare-ups for each patient\n",
-    "\n",
+    "        summary_values = np.mean(data, axis=ax) # since the summary value is for EACH patient, we ensure that the axis = ax, which is 1.\n",
     "    elif operation == 'max':\n",
     "        # YOUR CODE HERE: Calculate the maximum number of flare-ups experienced by each patient\n",
-    "\n",
+    "        summary_values = np.max(data, axis=ax)\n",
     "    elif operation == 'min':\n",
     "        # YOUR CODE HERE: Calculate the minimum number of flare-ups experienced by each patient\n",
-    "\n",
+    "        summary_values = np.min(data, axis=ax)\n",
     "    else:\n",
     "        # If the operation is not one of the expected values, raise an error\n",
     "        raise ValueError(\"Invalid operation. Please choose 'mean', 'max', or 'min'.\")\n",
@@ -161,11 +297,19 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 10,
    "metadata": {
     "id": "3TYo0-1SDLrd"
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "60\n"
+     ]
+    }
+   ],
    "source": [
     "# Test it out on the data file we read in and make sure the size is what we expect i.e., 60\n",
     "# Your output for the first file should be 60\n",
@@ -228,7 +372,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {
     "id": "_svDiRkdIwiT"
    },
@@ -261,15 +405,23 @@
     "\n",
     "def detect_problems(file_path):\n",
     "  #YOUR CODE HERE: Use patient_summary() to get the means and check_zeros() to check for zeros in the means\n",
-    "\n",
-    "  return"
+    "  means = patient_summary(file_path, 'mean') # get mean inflammation score for each of the 60 patients using our patient_summary function\n",
+    "  return check_zeros(means) # pass the means array to check_zeros(), which returns Ture if any values = 0 (problem detected) and False otherwise."
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 19,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n"
+     ]
+    }
+   ],
    "source": [
     "# Test out your code here\n",
     "# Your output for the first file should be False\n",
@@ -314,7 +466,8 @@
    "provenance": []
   },
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "python-env (3.11.14)",
+   "language": "python",
    "name": "python3"
   },
   "language_info": {
@@ -327,7 +480,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.8"
+   "version": "3.11.14"
   }
  },
  "nbformat": 4,