diff --git "a/leetcode3/\354\265\234\353\257\274\354\247\200/463.py" "b/leetcode3/\354\265\234\353\257\274\354\247\200/463.py"
new file mode 100644
index 000000000..b9e042c24
--- /dev/null
+++ "b/leetcode3/\354\265\234\353\257\274\354\247\200/463.py"
@@ -0,0 +1,12 @@
+class Solution:
+    def islandPerimeter(self, grid: list[list[int]]) -> int:
+        answer = 0
+        for i in range(0, len(grid)):
+            for j in range(0, len(grid[0])):
+                if grid[i][j] == 1:
+                    answer += 4
+                    if  i < len(grid) -1 and grid[i+1][j] == 1:
+                        answer -= 2
+                    if  j < len(grid[0]) -1 and grid[i][j+1]  == 1:
+                        answer -= 2
+        return answer
\ No newline at end of file