From 04d726a07d0a912404d5fbbd8d95c89090600ca2 Mon Sep 17 00:00:00 2001 From: gudongqing Date: Thu, 25 Apr 2019 17:16:54 +0800 Subject: [PATCH] Update p08_skip_iterable.py --- cookbook/c04/p08_skip_iterable.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/cookbook/c04/p08_skip_iterable.py b/cookbook/c04/p08_skip_iterable.py index 213439f..dbcddb9 100644 --- a/cookbook/c04/p08_skip_iterable.py +++ b/cookbook/c04/p08_skip_iterable.py @@ -10,12 +10,12 @@ from itertools import islice def skip_iter(): # 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='') - # 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] - for x in islice(items, None, 3): + for x in islice(items, 3, None): print(x) if __name__ == '__main__':