app.py

from langchain.llms import OpenAI
from dotenv import load_dotenv
import os

load_dotenv()


import streamlit as st

## function to load openai and get responses

def get_openai_response(quesetion):
    llm=OpenAI(openai_api_key=os.getenv("OPEN_API_KEY"), model_name="text-davinci-003", temperature=0.5)
    response = llm(quesetion)
    return response

## initialize streamlit and set input field and button
st.set_page_config(page_title="Q&A demo")
st.header("Langchain application")

input = st.text_input("Input: ", key="input")
response = get_openai_response(input)

submit = st.button("Ask the question")


## if button is submitted
if submit:
    st.subheader("The response is")
    st.write(response)