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Python中Numpy库中的np.sum(array,axis=0,1,2...)怎么理解？

c = np.array([[[0, 1, 2,3], [4, 5, 6,7]], [[1, 2, 3,4], [5,6,7,8]]] print( c.sum(axis=0)) print( c.sum(axis=1)) print( c.sum(axis=2)).

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