cammckinnon · April 16, 2012 18:16
diff --git a/gistfile1.py b/gistfile1.py
 from collections import defaultdict

 def reverseGraph(Graph):
    newGraph = defaultdict(lambda: [0])
    for left in Graph:
        leftsNeighbors = Graph[left][1:]
        for right in leftsNeighbors: 
            newGraph[right].append(left)
    
    return newGraph
	from collections import defaultdict

	def reverseGraph(Graph):
	newGraph = defaultdict(lambda: [0])
	for left in Graph:
	leftsNeighbors = Graph[left][1:]
	for right in leftsNeighbors:
	newGraph[right].append(left)

	return newGraph