parameters: (self, line)
docstring: Called on an input line when the command prefix is not recognized.
  
          If this method is not overridden, it prints an error message and
          returns.
docstring_summary: Called on an input line when the command prefix is not recognized.
docstring_tokens: Called on an input line when the command prefix is not recognized .
function: def default(self, line):
          """Called on an input line when the command prefix is not recognized.
  
          If this method is not overridden, it prints an error message and
          returns.
  
          """
          self.stdout.write('*** Unknown syntax: %s\n'%line)
function_tokens: def default ( self , line ) : self . stdout . write ( '*** Unknown syntax: %s\n' % line )