code: def get_string(self, input_string):
          
  
          if input_string in ('--input', '--outname', '--framework'):
  
              # was the flag set?
              try:
                  index = self.args.index(input_string) + 1
              except ValueError:
                  # it wasn't, so if it's required, exit
                  if input_string in self.required:
                      print("\n {flag} is required".format(input_string))
                      print_short_help()
                      sys.exit(1)
                  # it wasn't, if its optional, return the default
                  else:
                      return None
  
                      # the flag was set, so check if a value was set, otherwise exit
              try:
                  if self.args[index] in self.flags:
                      print("\n {flag} was set but a value was not specified".format(flag=input_string))
                      print_short_help()
                      sys.exit(1)
              except IndexError:
                  print("\n {flag} was set but a value was not specified".format(input_string))
                  print_short_help()
                  sys.exit(1)
  
              # a value was set, so check and assign the appropriate value or exit
              if input_string == '--input':
                  return os.path.abspath(self.args[index])
              elif input_string == '--outname':
                  return format(self.args[index])
docs: Return string type user input