Interview Query

Get Top N Frequent Words

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  1. Given an example paragraph string and an integer NN, write a function n_frequent_words that returns the top NN frequent words in the posting and the frequencies for each word.

  2. What’s the function run-time?



posting = """
Herbal sauna uses the healing properties of herbs in combination with distilled water.   
The water evaporates and distributes the effect of the herbs throughout the room.   
A visit to the herbal sauna can cause real miracles, especially for colds. 
n = 3


n_frequent_words(posting,N) = [
    ('the', 6), 
    ('herbal', 2), 
    ('sauna', 2),
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Python 3.9.6
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