added comments

app.py

@@ -3,16 +3,19 @@ import random
 from huggingface_hub import InferenceClient
 
 client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
+# change the LLM
 
 def respond(message, history):
 
     messages = [{"role": "system", "content": "You are a friendly chatbot."}]
+    # change the personality of the chatbot
     if history:
         messages.extend(history)
         
     messages.append({"role" : "user", "content" : message})
 
     response = client.chat_completion(messages, max_tokens = 100)
+    # change the length of the response 
 
     print(response["choices"][0]["message"]["content"].strip())