一些场景需要第一天或者最后一天进行脚本操作，如签到，下面代码可判断第一天和最后一天 fromdateutil.relativedeltaimportrelativedelta importdatetime today=datetime.datetime.today() 第一天 first_day=(relativedelta()+today).replace(day=1) print(first_day) 最后一天 last_day=(relativedelta(months=1)+today).replace(day=1)relativedelta(days=1) print(last_d...