python之判斷閏年

while True:
    year = int(input("請輸入年份："))
    if year % 4 == 0 and year % 100 != 0:
        print("%s是閏年" % year)
    elif year % 400 == 0:
        print("%s是閏年" % year)
    else:
        print("%s不是閏年" % year)