Suppose G is a DiGraph. Is there a way to change the vertex labels of
G so that they are shown when G.show() is called? The method,
G.set_vertex() does not seem to do that.
Sample code
sage: G = DiGraph({1:{2: 2}, 2:{1:1}})
sage: G.show()
sage: G.set_vertex(1,4)
sage: G.show() # <-- there is no change
What I am really after is this: I have a collection of integers, one
for each vertex. Over time the integers change. I would like to show
the graph with vertices labeled by these integers. Best of all would
be to do this via @interact.
Thanks,
Dave
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