Update app.py

app.py

@@ -256,9 +256,13 @@ if selected_app == "3) Upload Datasets":
     st.markdown("Go to this [google colab link](https://colab.research.google.com/drive/1eCpk9HUoCKZb--tiNyQSHFW2ojoaA35m) to get started")
 
 if selected_app == "4) Create Chatbot":
-    code = '''
-        def hello_world():
-            print("Hello, world!")
+    requirements = '''
+        openai
+        scipy
+        streamlit
+        chromadb
+        datasets
     '''
-    
-    st.code(code, language='python')
+
+    st.write("requirements.txt")
+    st.code(requirements, language='python')