計算日差(Python実装)

class Solution:

    def Days(self,year,month,day):

        if  (year%4==0 and year%100!=0) or year%400==0:

            monthlist=[0,31,29,31,30,31,30,31,31,30,31,30,31]

        else:

            monthlist=[0,31,28,31,30,31,30,31,31,30,31,30,31]

        years=year-1

        days=years*365+years/4-years/100+years/400

        for i in range(0,month):

            monthdays=monthdays+monthlist[i]

        days=days+monthdays+day

        return days



    def SubDays(year1,month1,day1,year2,month2,day2):

        days1=Days(year1,month1,day1)

        days2=Days(year2,month2,day2)

        subday=days1-days2

        print subday