/Python/Check if a numpy array contains only 1's python

Check if a numpy array contains only 1's python

>>> import numpy as np
>>> array=np.array([[1,1,1],[1,1,1],[1,1,1]])
>>> array([[1, 1, 1],
       	   [1, 1, 1],
           [1, 1, 1]])
>>> np.all(array == 1)
>>> True

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