list的相加和相乘

关于list的相加相乘直接给出例子,简单明了:

1.list的相加

[1] + [2] = [1, 2]
[1] + [2] + [3] + [1] = [1, 2, 3, 1]
[1] + [2] + [3] + [4, 5, 6] = [1, 2, 3, 4, 5, 6]

2.list的相乘

[1] * 3 = [1, 1, 1]
[1, 2, 3] * 3 = [1, 2, 3, 1, 2, 3, 1, 2, 3]

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转载自blog.csdn.net/gaolijing_/article/details/106155061