基于Python的黑色星期五查找脚本

找出输入年份的黑色星期五：

　　用法：

　　　　

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# -*-coding:utf-8-*-

# Python程序设计作业，找出黑色星期五

theYear = input ("Please input the year you want to konw : ")

theFirstDay = input ("What day is theFirstDay (1 , 2 , 3 , 4 , 5 , 6 , 7) : ")

day = 1            # 天数计数变量

bigMonth = [1 , 3 , 5 , 7 , 8 , 10 , 12]
smallMonth = [4 , 6 , 9 , 11]

if ((theYear % 4 == 0) and (theYear % 100 != 0)) or (theYear % 400 == 0) :
    print u"这是闰年,二月份有29日"

    for theMonth in range (1 , 13) :
        if theMonth in bigMonth :
            for theDay in range (1 , 32) :
                if (theDay == 13) and (day % 7 == 5) :
                    print "The day is black Friday : %d / %d / %d " %(theYear , theMonth , theDay) 
                day = day + 1    # 每轮一天即将天数计数变量加一  
        elif theMonth in smallMonth :
            for theDay in range (1 , 31) :
                if (theDay == 13) and (day % 7 == 5) :
                    print "The day is black Friday : %d / %d / %d " %(theYear , theMonth , theDay) 
                day = day + 1    # 每轮一天即将天数计数变量加一
        else :
             for theDay in range (1 , 30) :
                 if (theDay == 13) and (day % 7 == 5) :
                    print "The day is black Friday : %d / %d / %d " %(theYear , theMonth , theDay) 
                 day = day + 1    # 每轮一天即将天数计数变量加一

else :
    print u"这是平年，二月份有28日"

    for theMonth in range (1 , 13) :
        if theMonth in bigMonth :
            for theDay in range (1 , 32) :
                if (theDay == 13) and (day % 7 == 5) :
                    print "The day is black Friday : %d / %d / %d " %(theYear , theMonth , theDay) 
                day = day + 1    # 每轮一天即将天数计数变量加一  
        elif theMonth in smallMonth :
            for theDay in range (1 , 31) :
                if (theDay == 13) and (day % 7 == 5) :
                    print "The day is black Friday : %d / %d / %d " %(theYear , theMonth , theDay) 
                day = day + 1    # 每轮一天即将天数计数变量加一
        else :
             for theDay in range (1 , 29) :
                 if (theDay == 13) and (day % 7 == 5) :
                    print "The day is black Friday : %d / %d / %d " %(theYear , theMonth , theDay) 
                 day = day + 1    # 每轮一天即将天数计数变量加一