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Modernize Python 2 code to get ready for Python 3
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@ -12,6 +12,7 @@ Constraints
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Note: The tree input will be such that it can always be decomposed into
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components containing an even number of nodes.
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"""
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from __future__ import print_function
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# pylint: disable=invalid-name
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from collections import defaultdict
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@ -66,4 +67,4 @@ if __name__ == '__main__':
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tree[u].append(v)
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tree[v].append(u)
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even_tree()
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print len(cuts) - 1
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print(len(cuts) - 1)
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