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Update p08_skip_iterable.py

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gudongqing
2019-04-25 17:16:54 +08:00
committed by GitHub
parent 6d07ccf3c4
commit 04d726a07d
1 changed files with 3 additions and 3 deletions
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cookbook/c04/p08_skip_iterable.py
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@@ -10,12 +10,12 @@ from itertools import islice
def skip_iter(): def skip_iter():
# with open('/etc/passwd') as f: # with open('/etc/passwd') as f:
# for line in dropwhile(lambda line: line.startswith('#'), f): # for line in dropwhile(lambda line: not line.startswith('#'), f):
# print(line, end='') # print(line, end='')
# 明确知道了要跳过的元素个数 # 明确知道了要跳过的元素序号
items = ['a', 'b', 'c', 1, 4, 10, 15] items = ['a', 'b', 'c', 1, 4, 10, 15]
for x in islice(items, None, 3): for x in islice(items, 3, None):
print(x) print(x)
if __name__ == '__main__': if __name__ == '__main__':