顺时针打印矩阵(python)

 1 # -*- coding:utf-8 -*-
 2 class Solution:
 3     # matrix类型为二维列表，需要返回列表
 4     def printMatrix(self, matrix):
 5         # write code here
 6         def help(topRow,topCol,botRow,botCol):
 7             
 8             if topRow == botRow:#只有一行:
 9                 while topCol <=botCol:
10                     res.append(matrix[topRow][topCol])
11                     topCol+=1
12             elif topCol == botCol:#只有一行
13                 while topRow<=botRow:
14                     res.append(matrix[topRow][topCol])
15                     topRow+=1
16             else:
17                 curCol=topCol
18                 curRow=topRow
19                 while curCol<botCol:
20                     res.append(matrix[topRow][curCol])
21                     curCol+=1
22                 while curRow<botRow:
23                     res.append(matrix[curRow][botCol])
24                     curRow+=1
25                 while curCol>topCol:
26                     res.append(matrix[botRow][curCol])
27                     curCol-=1
28                 while curRow>topRow:
29                     res.append(matrix[curRow][topCol])
30                     curRow-=1
31         if len(matrix)==1:
32             return matrix[0]
33         res=[]
34         topRow=0
35         topCol=0
36         botRow=len(matrix)-1
37         botCol=len(matrix[0])-1
38         
39         while topRow<=botRow and topCol<=botCol:
40             help(topRow,topCol,botRow,botCol)
41             topRow+=1
42             topCol+=1
43             botRow-=1
44             botCol-=1
45         return res