python dropwhile跳过开头的几行

• 2019 年 10 月 11 日
• 筆記

   from itertools import dropwhile   with open('/etc/passwd') as f:   ...     for line in dropwhile(lambda line: line.startswith('#'), f):   ...         print(line, end='')           from itertools import islice   items = ['a', 'b', 'c', 1, 4, 10, 15]   for x in islice(items, 3, None):   ...     print(x)   ...   1   4   10   15