def make_undirected(self):
        "Make a digraph into an undirected graph by adding symmetric edges."
        for a in self.dict.keys():
            for (b, distance) in self.dict[a].items():
                self.connect1(b, a, distance)
def make_undirected(self):
        "Make a digraph into an undirected graph by adding symmetric edges."
        for a in self.dict.keys():
            for (b, distance) in self.dict[a].items():
                self.connect1(b, a, distance)
def make_undirected ( self ) : for a in self . dict . keys ( ) : for ( b , distance ) in self . dict [ a ] . items ( ) : self . connect1 ( b , a , distance )
Make a digraph into an undirected graph by adding symmetric edges.
Make a digraph into an undirected graph by adding symmetric edges .