a = [1, 2, 3]b = 'abc'print(a * 2)print([a] * 3)print(b * 3)print([b] * 3)print([[a]] * 3)
[1, 2, 3, 1, 2, 3][[1, 2, 3], [1, 2, 3], [1, 2, 3]]abcabcabc['abc', 'abc', 'abc'][[[1, 2, 3]], [[1, 2, 3]], [[1, 2, 3]]]