矩阵转置

  1. for i in range(n):
  2. for j in range(i+1,n):
  3. matrix[i][j],matrix[j][i]=matrix[j][i],matrix[i][j]

矩阵左右对称翻转

  1. for i in range(n):
  2. matrix[i]=matrix[i][::-1]