parameters: (self, key)
docstring: Deletes the item at the specified position.
docstring_summary: Deletes the item at the specified position.
docstring_tokens: Deletes the item at the specified position .
function: def __delitem__(self, key):
      """Deletes the item at the specified position."""
      del self._values[key]
      self._message_listener.Modified()
function_tokens: def __delitem__ ( self , key ) : del self . _values [ key ] self . _message_listener . Modified ( )