parameters: (self, src)
docstring: Yield (node, data) pairs representing the successors of node *src*.
          (*data* will be None if no data was specified when adding the edge)
docstring_summary: Yield (node, data) pairs representing the successors of node *src*.
          (*data* will be None if no data was specified when adding the edge)
docstring_tokens: Yield ( node data ) pairs representing the successors of node * src * . ( * data * will be None if no data was specified when adding the edge )
function: def successors(self, src):
          """
          Yield (node, data) pairs representing the successors of node *src*.
          (*data* will be None if no data was specified when adding the edge)
          """
          for dest in self._succs[src]:
              yield dest, self._edge_data[src, dest]
function_tokens: def successors ( self , src ) : for dest in self . _succs [ src ] : yield dest , self . _edge_data [ src , dest ]