import sys num=5 def print_wochentag(num): if num == 0: print('Montag') elif num == 1: print('Dienstag') elif num == 2: print('Mittwoch') elif num == 3: print('Donnerstag') elif num == 4: print('Freitag') elif num == 5: print('Samstag') elif num == 6: print('Sonntag') if __name__ == '__main__': print_wochentag(int(sys.argv[1]))