https://colab.research.google.com/github/PratikhyaManas/Yelp-Review-Analysis-using-Natural-Language-Processing-NLP-/blob/master/Yelp_Reviews_Classification.ipynb print( '1-Stars percentage =', (len(yelp_df_1) / len(yelp_df_1_5) )*100,"%"). 1- ... does', 'did', 'doing', 'a', 'an', 'the', 'and', 'but', 'if', 'or ...