Update app.py

app.py

@@ -0,0 +1,38 @@
+# import streamlit as st
+import streamlit as st
+
+# import openai from langchain_openai
+from langchain_openai import OpenAI
+
+# Function to return the response
+def load_answer(question):
+    llm = OpenAI(model_name="gpt-3.5-turbo-instruct",temperature=0)
+
+    answer=llm.invoke(question)
+    return answer
+
+# App UI starts here
+st.set_page_config(page_title="LangChain Demo", page_icon=":robot:")
+st.header("LangChain Demo")
+
+# Gets the user input
+def get_text():
+    # Add key to text_input to avoid re-rendering
+    input_text = st.text_input("User: ", key="input")
+    return input_text
+
+# Get user input
+user_input=get_text()
+
+# Get response
+response = load_answer(user_input)
+
+# Add button to generate response
+submit = st.button('Generate')
+
+# If generate button is clicked
+if submit:
+
+    st.subheader("Answer:")
+
+    st.write(response)