python chatbot speech recognition
import ioimport randomimport stringimport warningsimport numpy as npfrom sklearn.feature_extraction.text import TfidfVectorizerfrom sklearn.metrics.pairwise import cosine_similarityimport warningsfrom gtts import gTTSimport oswarnings.filterwarnings('ignore')import speech_recognition as sr import nltkfrom nltk.stem import WordNetLemmatizer#for downloading package files can be commented after First runnltk.download('popular', quiet=True)nltk.download('nps_chat',quiet=True)nltk.download('punkt') nltk.download('wordnet')