43 lines
592 B
Python
43 lines
592 B
Python
# Performance note: I benchmarked this code using a set instead of
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# a list for the stopwords and was surprised to find that the list
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# performed /better/ than the set - maybe because it's only a small
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# list.
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stopwords = '''
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i
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a
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an
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are
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as
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at
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be
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by
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for
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from
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how
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in
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is
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it
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of
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on
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or
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that
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the
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this
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to
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was
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what
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when
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where
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'''.split()
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def strip_stopwords(sentence):
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"Removes stopwords - also normalizes whitespace"
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words = sentence.split()
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sentence = []
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for word in words:
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if word.lower() not in stopwords:
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sentence.append(word)
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return ' '.join(sentence)
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