Provides a simple interface for the display of some basic dialogs to 
  collect information from the user.
  This version uses Zenity to integrate well with GNOME.
  A note on exit codes: an exit code of 0 indicates that the user 
  clicked OK.
    |  |  | 
    | tuple(int, str) |  | 
    | tuple(int, str) |  | 
    | tuple(int, str) | 
        
          | list_menu(self,
        options,
        title= 'Choose a value',
        message='Choose a value',
        default=None)Show a single-selection list menu
 | source code |  | 
    | tuple(int, str) | 
        
          | list_menu_multi(self,
        options,
        title= 'Choose one or more values',
        message='Choose one or more values',
        defaults=[])Show a multiple-selection list menu
 | source code |  | 
    | tuple(int, str) |  | 
    | tuple(int, str) |  | 
    | tuple(int, str) |  | 
    | tuple(int, str) | 
        
          | calendar(self,
        title= 'Choose a date',
        format='%Y-%m-%d',
        date='today')Show a calendar dialog
 | source code |  |