11 lines
321 B
Python
11 lines
321 B
Python
def count_words(sentence):
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counts = {}
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start = 0
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for i, ch in enumerate(sentence + " "):
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if not (ch.isalnum() or ch == "'"):
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word = sentence[start:i].lower().strip("'")
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start = i + 1
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if word:
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counts[word] = counts.get(word, 0) + 1
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return counts |