Concatenation of many lists in Python

Posted by Space_C0wb0y on Stack Overflow See other posts from Stack Overflow or by Space_C0wb0y
Published on 2010-06-11T09:22:54Z Indexed on 2010/06/11 9:32 UTC
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Suppose i have a function like this:

def getNeighbors(vertex)

which returns a list of vertices that are neighbors of the given vertex. Now i want to create a list with all the neighbors of the neighbors. I do that like this:

listOfNeighborsNeighbors = []
for neighborVertex in getNeighbors(vertex):
    listOfNeighborsNeighbors.append(getNeighbors(neighborsVertex))

Is there a more pythonic way to do that?

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