StopIteration clear solution for Disposable Teleports by gyahun_dash - python coding challenges

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StopIteration solution in Clear category for Disposable Teleports by gyahun_dash

def checkio(string, length=8, start='1'):
    def explore(edges, route):
        node = route[-1]
        if node == start and len(set(route)) == length:
            raise StopIteration(route)

        for edge in (edge for edge in edges if node in edge):
            explore(edges - {edge}, route + edge.replace(node, ''))

    try: explore(set(string.split(',')), start)
    except StopIteration as found: return found.value

Oct. 18, 2014

Comments:

sumeet.lintel on July 24, 2016, 2:04 p.m.
<p>Excellent!</p>

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