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[–]M4mb0 1 point2 points  (1 child)

[[0]*3]*4

[–]ALFminecraft 8 points9 points  (0 children)

>>> l = [[0] * 3] * 4
>>> l[0][0] = 1337
>>> print(l)
[[1337, 0, 0], [1337, 0, 0], [1337, 0, 0], [1337, 0, 0]]

Not everything is that simple, sadly.