23 lines
352 B
Python
23 lines
352 B
Python
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li = ['a','b','c','d','e']
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#index 0 1 2 3 4
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#index -5 -4 -3 -2 -1
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print(li[0:1])
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print(li[2:])
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print(li[::2])
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print(li[:-2])
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print(li[::-1])
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# 在尾部最佳
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li[len(li):]=[9]
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# 删除前2个元素
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li[:2] = []
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print(li)
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# 删除偶数位置上的元素
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li = ['a','b','c','d','e']
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del li[::2]
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print(li)
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# 切片,浅复制
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x = li[::]
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