parameters: (self)
return_statement: return self._parent
docstring: Returns the parent node of this node or None.
docstring_summary: Returns the parent node of this node or None.
docstring_tokens: Returns the parent node of this node or None .
function: def parent(self) -> Optional['TreeNode']:
          """Returns the parent node of this node or None."""
          return self._parent
function_tokens: def parent ( self ) -> Optional [ 'TreeNode' ] : return self . _parent