Return the row and column methods of a matrix in python

Below I will share with you an article about the row and column method of returning a matrix in Python. It has a good reference value and I hope it will be helpful to everyone. Let’s come and take a look

The example is as follows:

# TODO 返回矩阵的行数和列数
def shape(M):
  return len(M),len(M[0])

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