Uploading app and requirements file

app.py

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+#Q&A chatbot
+from langchain.llms import OpenAI
+from constants import OPENAI_API_KEY
+
+from dotenv import load_dotenv
+
+load_dotenv()   #take environment variables from .env
+
+import streamlit as st
+import os
+os.environ["OPENAI_API_KEY"] = OPENAI_API_KEY
+
+
+#Function  to load OpenAI model and get response
+def get_openai_response(question):
+    llm=OpenAI(openai_api_key=os.getenv('OPENAI_API_KEY'),model_name='gpt-3.5-turbo-instruct',temperature=0.5)
+    response = llm(question)
+    return response
+
+##initializing the streamlit app
+st.set_page_config(page_title="Q&A Chatbot", page_icon="🤖", layout="centered", initial_sidebar_state="expanded")
+st.header("LangChain Application")
+input_question = st.text_input("Enter your question: ",key="input_question")
+response = get_openai_response(input_question)
+submit =st.button("Ask Question")
+
+## if ask question button is clicked
+if submit:
+    st.subheader("The Response Is: ")
+    st.write(response)

requirements.txt

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+openai
+langchain
+streamlit
+ipykernel==6.29.3
+PyPDF2
+faiss-cpu
+tiktoken
+huggingface_hub
+python-dotenv