parameters: (self)
docstring: Hook method executed once when the cmdloop() method is called.
docstring_summary: Hook method executed once when the cmdloop() method is called.
docstring_tokens: Hook method executed once when the cmdloop () method is called .
function: def preloop(self):
          """Hook method executed once when the cmdloop() method is called."""
          pass
function_tokens: def preloop ( self ) : pass