06_python_练习题——查找一年之中第几天

#编写程序，判断这是这一年中的第几天？
#附加题：同时输出这是闰年不是，注意要求输入年份的格式
#程序分析：以3月5日为例，应该先把前两个月的加起来，然后再加上5天即本年的第几天，

#特殊情况，闰年且输入月份大于3时需考虑多加一天

# -*- coding:UTF-8 -*-
year = int(raw_input('Input year:'))
month = int(raw_input('Input month:'))
day = int(raw_input('Input day:'))

def isRunNian(year,month,day):
    leap = 0
    if(year%400 == 0) or ((year%4 == 0) and (year%100 != 0)):
        leap=1
        print year,"是闰年"
    else:
        print year,"年不是闰年"

    months = (0,31,59,90,120,151,181,212,243,273,304,334)

    if leap==1 :
        if month==2 and 0<day<29:
            pass
        elif(month==1 or month==3  or month==5 or month==7 or month==8 or month==10 or month==12) and 0<day<32:
            pass
        elif (month==4 or month==6  or month==9 or month==11 ) and 0<day<31:
           pass
        else:
            print "输入的日期错误"
            return
    else:
        if month==2 and 0<day<30:
            pass
        elif (month==1 or month==3  or month==5 or month==7 or month==8 or month==10 or month==12) and 0<day<32:
            pass
        elif (month==4 or month==6  or month==9 or month==11 ) and 0<day<31:
           pass
        else:
            print "输入的日期错误"
            return

    sum = months[month-1]+day
    if(leap == 1) and (month > 2):
        sum+=1
    print "这是%d年的第%d天。"%(year,sum)
isRunNian(year,month,day)