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.. Copyright (C) 2001-2019 NLTK Project
.. For license information, see LICENSE.TXT
===========
Collections
===========
>>> import nltk
>>> from nltk.collections import *
Trie
----
Trie can be pickled:
>>> import pickle
>>> trie = nltk.collections.Trie(['a'])
>>> s = pickle.dumps(trie)
>>> pickle.loads(s)
{'a': {True: None}}