Add AI chatbot functionality from answer key

app.py

@@ -1,8 +1,32 @@
-import InferenceClient
+import gradio as gr
+from huggingface_hub import InferenceClient
 
-def respond():
+# this client will handle making requests to the model to generate responses
+client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
+
+def respond(message, history):
+    
+    # initialize a list of dictionaries to store the messages
+    messages = [{"role": "system", 
+                 "content": "You are a friendly chatbot."}]
     
+    # add all previous messages to the messages list 
+    if history:
+        messages.extend(history)
+
+    # add the current user’s message to the messages list
+    messages.append({"role": "user", "content": "message"})
+
+    # makes the chat completion API call, 
+    # sending the messages and other parameters to the model
+    response = client.chat_completion(
+        messages,
+        max_tokens = 100
+    )
+
+    # extract and return the chatbot’s response
+    return response['choices'][0]['message']['content'].strip()
 
-chatbot = InferenceClient(HuggingFaceH4/zephyr-7b-beta)
+chatbot = gr.ChatInterface(respond, type="messages")
 
 chatbot.launch()