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python 输出上个月的月末日期

_karen 2023-01-13 阅读 48


import  dateutil

def before_month_lastday(ti):

today=dateutil.parser.parse(str(ti))

first = datetime.date(day=1, month=today.month, year=today.year)

lastMonth = first - datetime.timedelta(days=1)

cc=str(lastMonth.year)+str(lastMonth.month)+str(lastMonth.day)

return int(cc)

print(before_month_lastday(20171011))

2017930


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