code: def _format_line(self):
          'Joins the widgets and justifies the line'
  
          widgets = ''.join(self._format_widgets())
  
          if self.left_justify: return widgets.ljust(self.term_width)
          else: return widgets.rjust(self.term_widthf _format_line(self):
          'Joins the widgets and justifies the line'
  
          widgets = ''.join(self._format_widgets())
  
          if self.left_justify: return widgets.ljust(self.term_width)
          else: return widgets.rjust(self.term_width)
docs: Joins the widgets and justifies the line