Fundamentals of computer programming
I'm trying to create a program that will display the number of times a specific weekday for a given month and year occurs. It's supposed to process only one request per invocation and should be aware of the number of parameters present on the command line and should display an error if there are more than three fields present. I'm having trouble figuring what to do next but the format is suppose to be [ Weekday [Month] [Year] ]. This is my code so far: def ParseText ( text, items, errormessage ): matches = 0 for index in range( len(items) ): curtext = items[index].casefold() if curtex.startwith( text.casefold() ): matches += 1 match = index if matches != 1: print ( "\"%s\" is not a valid %s" % ( text, errormessage ) ) exit ( 1 ) #invalid command line argument return match import sys import dates cmdline = sys.argv if len( cmdline ) == 1: print ( "Usage: calcount Weekday" ) exit ( 0 ) DaysText = ( "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ) MonthsText = ( "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ) dayofweek = ParseText ( cmdline, DaysText, "day of the week" ) print ( "You have requested", DayText[dayofweek] ) for i in range(30): print ( "DOW for January %d, 2020 is %d" % ( i, dates.weekday( 1, i, 2020 ) ) ) I'm using python 3.6.1.
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