Update app.py

app.py

@@ -1,5 +1,12 @@
 import gradio as gr
+# first, add your import lines
 
-chatbot = gr.ChatInterface()
+def echo(message, history): 
+    return message
+# Code the function that your chatbot will run! 
+
+chatbot = gr.ChatInterface(echo)
+# Use gradio to create an interface where your user can use ChatInterface --> needs a function as a parameter to run
 
 chatbot.launch()
+# launches our chatbot