parameters: (self, formatter)
docstring: Add a new formatter to the chart (convenience method).
docstring_summary: Add a new formatter to the chart (convenience method).
docstring_tokens: Add a new formatter to the chart ( convenience method ) .
function: def AddFormatter(self, formatter):
      """Add a new formatter to the chart (convenience method)."""
      self.formatters.append(formatter)
function_tokens: def AddFormatter ( self , formatter ) : self . formatters . append ( formatter )