return x
append(value)
  Appends a given value at the end of the list.

  Parameters:
     **value** (*Any*) -- value to append

  Return type:
     *ParameterList*

extend(values)
  Appends values from a Python iterable to the end of the list.

  Parameters:
     **values** (*iterable*) -- iterable of values to append

  Return type:
     *ParameterList*
