列表实例

#!/usr/local/bin/python3

# 通用
def transpose_irregular(matrix_s):
    print(‘原矩阵为:‘,matrix_s)
    matrix_d = [[0 for col in range(len(matrix_s))] for row in range(len(matrix_s[0]))]
    print(matrix_d)
    for i in range(len(matrix_s[0])):
        for j in range(len(matrix_s)):
            matrix_d[i][j] = matrix_s[j][i]
    return matrix_d

# 方阵
def transpose_regular(matrix_s):
    print(‘原矩阵为:‘,matrix_s)
    for i in range(len(matrix_s)):
        for j in range(i):
            matrix_s[i][j],matrix_s[j][i]=matrix_s[j][i],matrix_s[i][j]

    return matrix_s

if __name__ ==  ‘__main__‘:
    row=int(input(‘输入矩阵行数：‘))
    col=int(input(‘输入矩阵列数：‘))
    matrix_s=[[0 for col in range(col)] for row in range(row)]
    for i in range(row):
        matrix_s[i] = input(‘输入第%s行数据:‘%i).split(‘ ‘)

    if len(matrix_s) == len(matrix_s[0]):
        matrix_d=transpose_regular(matrix_s)
    else:
        matrix_d=transpose_irregular(matrix_s)
    print(‘转换后矩阵为:‘,matrix_d)