python—求某月的天数

求某月的天数 只为了够三十字125855544814485484847874

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dayJudge = False
for i in range(2):
    year,mon = input().split()
    year = int(year)
    mon = int(mon)
    if (year%4 == 0 and year%100 != 0 or year%400==0 ) : #是闰年
        if mon == 2:
            dayJudge = True
        else:
            dayJudge = False
    if mon in [1,3,5,7,8,10,12]:
        print(31)
    elif mon in [4,6,9,11]:
        print(30)
    elif dayJudge == True:
        print(29)
    else:
        print(28)

#闰年满足条件：  1.能被4整除,但不能被100整除  2.能400整除  year%4 == 0 and year%100 != 0 or year%400==0

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