code: def AskString(prompt, default='', id=261, ok=None, cancel=None):
      
      return psidialogs.ask_string(message=prompt, default=default, ok=ok, cancel=cancel)
docs: Original doc: Display a PROMPT string and a text entry field with a DEFAULT string.
  
      Return the contents of the text entry field when the user clicks the
      OK button or presses Return.
      Return None when the user clicks the Cancel button.
  
      If omitted, DEFAULT is empty.
  
      The PROMPT and DEFAULT strings, as well as the return value,
      can be at most 255 characters long.