numpy.rot90()
numpy.rot90
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numpy.rot90(m, k=1)[source] -
Rotate an array by 90 degrees in the counter-clockwise direction.
The first two dimensions are rotated; therefore, the array must be at least 2-D.
Parameters: m : array_like
Array of two or more dimensions.
k : integer
Number of times the array is rotated by 90 degrees.
Returns: