25 lines
516 B
Python
25 lines
516 B
Python
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#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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"""
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Topic: 跳过可迭代对象开始部分
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Desc :
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"""
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from itertools import dropwhile
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from itertools import islice
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def skip_iter():
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# with open('/etc/passwd') as f:
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# for line in dropwhile(lambda line: line.startswith('#'), f):
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# print(line, end='')
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# 明确知道了要跳过的元素个数
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items = ['a', 'b', 'c', 1, 4, 10, 15]
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for x in islice(items, None, 3):
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print(x)
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if __name__ == '__main__':
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skip_iter()
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