编写程序-输入年月日，计算几天

#欢迎观看我的CSDN

year = int(input("year="))
month = int(input("month="))
day = int(input("day="))
while True:
    if year % 100 == 0 and year % 400 == 0:
        if month == 1:
            x1 = day
        if month >= 2:
            x1 = (month-1) * 30 + day + 1
        print("{}年{}月{}日是该年的第{}天".format(year, month, day, x1))
    if year % 100 != 0 and year % 400 != 0:
        print("该年为平年")
        x2 = (month-1) * 30 + day
        print("{}年{}月{}日是该年的第{}天".format(year, month, day, x2))
    break  #跳出循环