Use FP, Luke! It's cool brain candy! creative solution for Tree Walker by obone - python coding challenges

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Use FP, Luke! It's cool brain candy! solution in Creative category for Tree Walker by obone

tree_walker = lambda tree, target: \
    int(tree == target) or (0 if type(tree) not in (list, dict) else
    sum(tree_walker(node if type(tree) is list else tree[node], target) for node in tree))

May 1, 2020

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