simple langchain app

app.py

@@ -1,4 +1,22 @@
 import streamlit as st
+from langchain.llms import OpenAI
 
-x = st.slider('Select a value')
-st.write(x, 'squared is', x * x)
+st.title("🦜🔗 Langchain Quickstart App")
+
+with st.sidebar:
+    openai_api_key = st.text_input("OpenAI API Key", type="password")
+    "[Get an OpenAI API key](https://platform.openai.com/account/api-keys)"
+
+
+def generate_response(input_text):
+    llm = OpenAI(temperature=0.7, openai_api_key=openai_api_key)
+    st.info(llm(input_text))
+
+
+with st.form("my_form"):
+    text = st.text_area("Enter text:", "What are 3 key advice for learning how to code?")
+    submitted = st.form_submit_button("Submit")
+    if not openai_api_key:
+        st.info("Please add your OpenAI API key to continue.")
+    elif submitted:
+        generate_response(text)