[igraph] Who a node is connected to

[Thomas Chesney]

Is there a function in igraph that returns a list of all the nodes that a 
specified node is connected to? So for instance, if I had the following 
edgelist for an undirected graph:

2  7
3  8
4  9
9  3

and specified 3, it would return 8 and 9. If there isn't a fuction that does 
exactly this, is there anything that does something similar?

Thank you,

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