摘要: 1. Handling missing keys with setdefault import sys import re WORD_RE = re.compile('\w+') index = {} print(sys.argv) # Example 3-2 with open(sys.argv[ 阅读全文
posted @ 2020-01-12 00:52 neozheng 阅读(171) 评论(0) 推荐(0) 编辑