app.py

import streamlit as st

from langchain_openai import ChatOpenAI

from langchain_core.prompts import ChatPromptTemplate

import os 


os.environ["OPENAI_API_KEY"] = os.getenv("k1")

st.markdown("Translation Application")

options = ["English","Telugu","Hindi"]

st.write("Input langauge")

st.selectbox('Choose an option:', options)

st.write("Output langauge")

st.selectbox('Choose an option:', options)

llm = ChatOpenAI(model = "gpt-3.5-turbo",temperature = 0)

prompt = ChatPromptTemplate.from_messages([("system","you are a good assistant for translation to {il} to {ol}"),
            ("human","{i}")])

chain = prompt|llm

re = chain.invoke({"il":"english","ol":"french", "i":"what is the capital of India"})

st.write(re.content)