python获取每个月的第一天,python获取每个月,>>> import d


>>> import datetime>>> def firstDayOfMonth(dt):...     return (dt+datetime.timedelta(days=-dt.day+1)).replace(hour=0,minute=0,second=0,microsecond=0)...>>> print firstDayOfMonth( datetime.datetime(2006,05,13) )2006-05-01 00:00:00>>>#该片段来自于http://byrx.net

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