Update app.py

app.py

@@ -84,6 +84,7 @@ def get_chat_response(name, input_txt = "Hello , what is your name?",history=[])
 '''
 
 def greet(character,input_txt):
+  ##add a bootstrap history (item 1 is speaker, item 2 is character)
   history = ["Who are you?","I am " + character]
   return  get_chat_response(character,history=history,input_txt=input_txt)