comefrom: <qiyuangong>766_Toeplitz_Matrix_1.py
code: def isToeplitzMatrix( matrix):
      for r in range(len(matrix) - 1):
          for c in range(len(matrix[0]) - 1):
              if matrix[r][c] != matrix[r + 1][c + 1]:
                  return False
      return True
masked: def sample_funcname ( var_0 ) :
      for var_4 in range ( len ( var_0 ) - 1 ) :
          for var_6 in range ( len ( var_0 [ 0 ] ) - 1 ) :
              if var_0 [ var_4 ] [ var_6 ] != var_0 [ var_4 + 1 ] [ var_6 + 1 ] :
                  return False
      return True
  