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An implementation of a trie in python using defaultdict and recursion
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| from collections import defaultdict | |
| def node(): | |
| return defaultdict(node) | |
| def word_exists(word, node): | |
| if not word: | |
| return None in node | |
| return word_exists(word[1:], node[word[0]]) | |
| def add_word(word, node): | |
| if not word: | |
| # terminal letter of the word | |
| node[None] | |
| return | |
| add_word(word[1:], node[word[0]]) |
Looks like you're missing
])on line 9
fixed
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Looks like you're missing
])on line 9