app.py

import os
import streamlit as st
from langchain.llms import OpenAI

def return_response(question):
    llm = OpenAI(model='gpt-3.5-turbo-instruct',temperature=0.6)
    response = llm.invoke(question)
    return response

st.set_page_config(page_title='Q & A')
st.header('langchain app')

question = st.text_input('Input: ',key='input')
response = return_response(question)

submit = st.button("your question here")



if submit:
    st.subheader('Response is: ')
    st.write(response)