摘要:
import re print(re.match('www', 'www.runoob.com').span()) # 在起始位置匹配 print(re.match('com', 'www.runoob.com')) # 不在起始位置匹配 import re line = "Cats are smarter than dogs" # .* 表示任意匹配除换行符(\n、\... 阅读全文
摘要:
n = 100 sum = 0 counter = 1 while counter in : else: sites = ["Baidu", "Google","Runoob","Taobao"] for site in sites: if site == "Runoob": print("菜鸟教程!") break ... 阅读全文