[m:n]
m,最小为0, 意思为从第m个字符开始
n,可以为负,负数从字符串尾部查,,意思为第n个以前的
str1 = "https://voice.hupu.com/nba/2434910.html#next" In [2]: str1 Out[2]: ‘https://voice.hupu.com/nba/2434910.html#next‘ In [3]: str2 = str1.replace("#next","") In [4]: str2 Out[4]: ‘https://voice.hupu.com/nba/2434910.html‘ In [5]: str3 = str1[:-5] In [6]: str3 Out[6]: ‘https://voice.hupu.com/nba/2434910.html‘
原文地址:https://www.cnblogs.com/zdj8023/p/10913554.html
时间: 2024-11-06 09:59:48