12 lines
258 B
Python
12 lines
258 B
Python
l = [1,2,3,4,5,6,7,8,9]
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# list[start:stop:step]
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# 绝对值决定"隔几个取一个"
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# 正数表示从左到右取，负数表示从右到左取
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print(l[::2])
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print('-------------')
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print(l[::3])
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print('-------------')
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print(l[::4])
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print('-------------')
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