app.py

import streamlit as st

from langchain.llms import OpenAI

# Function to return the response 
def load_answer(question):
    # Initialize the OpenAI API
    llm = OpenAI(model_name="gpt-3.5-turbo-instruct",  temperature=0.9)
    # Generate the response
    response = llm(question)
    
    return response

# App UI Starts here
st.set_page_config(page_title="LangChain Demo", page_icon=":robot:")
st.header("LangChain Demo")

# Get the user input
def get_text():
    input_text = st.text_input("Enter your question:", key="input")
    return input_text

user_input = get_text()
response = load_answer(user_input)

submit = st.button("Submit")   

# If the submit button is clicked
if submit:
    # Display the response
    st.subheader("Answer = ")
    st.write(response)    
    st.balloons()