Question: A is numpy array defined by A = np . array ( [ [ 1 , 2 , 3 ] ] ) and print (

A is numpy array defined by A = np.array([[1,2,3]]) and print(A) looks like [[123]] To access just the number 2 in numpy array A you can use ...
Choice 1 of 4:A[1]
Choice 2 of 4:A[:,1]
Choice 3 of 4:A[0,1]
Choice 4 of 4:A[1,2]

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