python init matrix
matrix = [ [ 0 for i in range(n) ] for j in range(m) ]python init matrix
matrix = [ [ 0 for i in range(n) ] for j in range(m) ]init matrix in numpy
>>> A = np.array([[4,7,6],[1,2,5],[9,3,8]])
>>> A
array([[4, 7, 6],
[1, 2, 5],
[9, 3, 8]])
>>> A.shape
(3, 3)Copyright © 2021 Codeinu
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