... 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16]] type(X) # list X1 = np.array(X) X1 # array([[ 1, 2, 3, 4], # [ 5, 6, 7, 8], [ 9, 10, 11, 12], ...
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