numpy.transpose

The official document: https://docs.scipy.org/doc/numpy/reference/generated/numpy.transpose.html

For two-dimensional ndarray, transpose parameter is not specified default is the matrix transpose. If the specified parameters, the corresponding results are as follows:

x.transpose((0,1))

array([[0, 1],
       [2, 3]])

　　

x.transpose((1,0))
array([[0, 2],
       [1, 3]])