Remove unnecessary comparison
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@@ -19,8 +19,6 @@ def depth_first_search(graph: dict, start, visited=set(), traversal=list()):
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visited.add(start)
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traversal.append(start)
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if len(visited)==len(graph):
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return
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for x in graph[start]:
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depth_first_search(graph, x, visited, traversal)
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