Graphviz default label for edge

Question

I am making graph using graph. Is there any way I can get default edge label ?

digraph G {
 a -> b [label="a -> b" ];
 b -> c [label=" b ->" ];
}

I want to get label default not manually.

Answer 1

You can read the Graphviz Document. Also I gave same kind of questions answer.

You can look at my answer here

If you can not get solution from my answer you can do comment here..