Python 算兩個日期之間_月度差

算兩個日期之間月度差

import datetime

def months(str1,str2):
    year1=datetime.datetime.strptime(str1[0:10],"%Y-%m-%d").year
    year2=datetime.datetime.strptime(str2[0:10],"%Y-%m-%d").year
    month1=datetime.datetime.strptime(str1[0:10],"%Y-%m-%d").month
    month2=datetime.datetime.strptime(str2[0:10],"%Y-%m-%d").month
    num=(year1-year2)*12+(month1-month2)
    return num

輸入months('2018-01-23 08:18:09','2017-03-21 10:19:33')

返回10