Add application file

app.py

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+from langchain_community.llms import OpenAI
+from dotenv import load_dotenv
+import streamlit as st
+import os
+api_key = os.getenv('OPENAI_API_KEY')
+load_dotenv()
+
+def get_openai_response(question):
+    llm=OpenAI(openai_api_key=api_key,
+    temperature=0.6)
+    response=llm(question)
+    return response
+
+st.set_page_config(page_title="Q&A")
+st.header("Langchain Application")
+
+input = st.text_input("Input: ", key="input")
+response= get_openai_response(input)
+
+submit=st.button("Ask the question")
+
+if submit:
+    st.subheader("The Respose is:")
+    st.write(response)

requirements.txt

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+langchain-community
+langchain
+openai
+huggingface_hub
+python-dotenv
+streamlit
+openai