Python赋值,如果找不到则返回可选结果我想做一个任务,如果失败,它将默认为另一个任务 this = {'one':1} test = this['a'] if this['a'] else "Wololo" 当我尝试这个时,我得到一个K ...2024-05-19 已阅读: n次
正则表达式。Python。保留一个组并替换其他组这里是代码: In [1]: import re In [2]: p = 'zxc(.*?)!(.*?)zxc' In [3]: s = 'zxc wololo ! ololo zxc' In ...2024-05-19 已阅读: n次