Create 48. Rotate Image.py

Author: xulzee

Diff for: 48. Rotate Image.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+# @Time    : 2019/2/27 16:02
+# @Author  : xulzee
+# @Email   : [email protected]
+# @File    : 48. Rotate Image.py
+# @Software: PyCharm
+from typing import List
+
+
+class Solution:
+    def rotate(self, matrix: List[List[int]]) -> None:
+        """
+        Do not return anything, modify matrix in-place instead.
+        """
+        for i in range(len(matrix)):
+            for j in range(i + 1, len(matrix[0])):
+                matrix[i][j], matrix[j][i] = matrix[j][i], matrix[i][j]
+            matrix[i] = matrix[i][::-1]
+
+
+if __name__ == '__main__':
+    A = [
+        [1, 2, 3],
+        [4, 5, 6],
+        [7, 8, 9]
+    ]
+    Solution().rotate(A)
+    print(A)