app.py

## conversational Q&A chatbot

import streamlit as st


from langchain.schema import HumanMessage,SystemMessage,AIMessage
from langchain.chat_models import ChatOpenAI

#from dotenv import load_dotenv
#load_dotenv()


#streamlit UI
st.set_page_config(page_title="conversational Q&A Chatbot")
st.header("hey let start chat ")
import os

chat=ChatOpenAI(temperature=0.5)
if 'flowmessages' not in st.session_state:
    st.session_state['flowmessages']=[
        SystemMessage(content="you are a comedian AI assitant")
    ]


def get_openai_response(question):
    st.session_state['flowmessages'].append(HumanMessage(content=question))
    answer=chat(st.session_state['flowmessages'])
    st.session_state['flowmessages'].append(AIMessage(content=answer.content))
    return answer.content
input=st.text_input("INPUT",key="input")
response=get_openai_response(input)
submit=st.button("Ask the question")

if submit:
    st.subheader("the response is")
    st.write(response)