21 lines
401 B
Python
21 lines
401 B
Python
import re
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from collections import defaultdict
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def count_words_v1(sentence):
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count = defaultdict(int)
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for word in sentence.split():
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count[word.lower()] += 1
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return count
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def count_words_v2(sentence):
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regex = r"[\w|']+"
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count = defaultdict(int)
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for word in re.findall(regex, sentence):
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count[word.lower()] += 1
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return count
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count_words = count_words_v2
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