Update app.py

app.py

@@ -9,11 +9,14 @@ def respond(message, history): #function for Gradio to call
 #Gradio passes arguments as parameters: the user's most recent input which is a string ("message"), and "history" which is the list of past messages
 #I have to put it in this order because Gradio will always past the current user input first and then the convo history  
 # however for now, this chatbot won't use the history parameter anyway
-    messages = [{"role": "system", "content": "You are a friendly chatbot."}] #dict in list to store messages
+    messages = [
+        {"role": "system",
+         "content": "You are a friendly chatbot."}
+    ] #dict in list to store messages
 
     #Add convo history to the messages if there's convo history
     if history: 
-        messages.extend(history)
+        messages.extend(history) # adds history to the end of messages list via .extend() method
 
     messages.append({"role": "user", "content": message}) #add the current user’s message to the messages list