parameters: (self)
return_statement: return _exists_map[self._func_exists](self)
docstring: Does this node exists?
docstring_summary: Does this node exists?
docstring_tokens: Does this node exists?
function: def exists(self):
          """Does this node exists?"""
          return _exists_map[self._func_exists](self)
function_tokens: def exists ( self ) : return _exists_map [ self . _func_exists ] ( self )