ICODEBROKER

■ 특정일이 속하는 월(Month)의 첫번째 날짜 구하기

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import datetime

def GetMonthFirstDate(sourceDate):

    targetDate = datetime.datetime(sourceDate.year, sourceDate.month, 1)

    return targetDate

if __name__ == "__main__":

    print(GetMonthFirstDate(datetime.datetime(2016, 2 , 16))) # 2016-02-01 00:00:00

    print(GetMonthFirstDate(datetime.datetime(2019, 11, 16))) # 2019-11-01 00:00:00

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