Update app.py

app.py

@@ -1,4 +1,23 @@
+from openai import OpenAI
 import streamlit as st
 
-x = st.slider('Select a value')
-st.write(x, 'squared is', x * x)
+with st.sidebar:
+    "[View the source code](https://github.com/sazakir/docbot/blob/dev/main.py)"
+    openai_api_key = st.text_input("OpenAI API Key", key="chatbot_api_key", type="password")
+
+st.title("💬 Document Bot")
+st.caption("🚀 A streamlit document chatbot powered by OpenAI LLM")
+if "messages" not in st.session_state:
+    st.session_state["messages"] = [{"role": "assistant", "content": "How can I help you?"}]
+
+for msg in st.session_state.messages:
+    st.chat_message(msg["role"]).write(msg["content"])
+
+if prompt := st.chat_input():
+    client = OpenAI(api_key=openai_api_key)
+    st.session_state.messages.append({"role": "user", "content": prompt})
+    st.chat_message("user").write(prompt)
+    response = client.chat.completions.create(model="gpt-3.5-turbo", messages=st.session_state.messages)
+    msg = response.choices[0].message.content
+    st.session_state.messages.append({"role": "assistant", "content": msg})
+    st.chat_message("assistant").write(msg)