Frequency of words without stop words and punctuations included

[dipanshusingh2107]

I want to add feature that counts the number of words that doesn't include punctuation marks and stop words.
Stop words link: https://www.textfixer.com/tutorials/common-english-words.txt

so sentences like: "The weather is good today !!" will have a frequency count of 3 (weather,good,today)
Pls assign this task to me as a part of hactoberfest