06_python_练习题——查找一年之中第几天

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#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)

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