Create ml_chatbots.py

blockchain_integration/pi_network/pi_network_university/ml_chatbots/ml_chatbots.py

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+import nltk
+from nltk.stem import LancasterStemmer
+from sklearn.naive_bayes import MultinomialNB
+
+# Load chatbot model
+chatbot_model = nltk.load('nlp_models/chatbot_model.pkl')
+
+# Define ML chatbot function
+def respond_to_user_input(user_input):
+    # Preprocess user input
+    stemmed_input = LancasterStemmer().stem(user_input)
+
+    # Classify user input using chatbot model
+    classification = chatbot_model.classify(stemmed_input)
+
+    # Return response based on classification
+    if classification == 'hello':
+        return 'Hello! How can I assist you today?'
+    elif classification == 'help':
+        return 'I\'m here to help. What do you need assistance with?'
+    else:
+        return 'I didn\'t understand that. Can you please rephrase?'