Update app.py

app.py

@@ -59,23 +59,23 @@ st.title("Simple Chatbot")
 
     # Initialize session state to store chat history
 if 'chat_history' not in st.session_state:
-        st.session_state.chat_history = []
+    st.session_state.chat_history = []
 
     # Chat input
-user_input = st.chat_input("You", key="chat_input")
+user_input = st.chat_input(placeholder="Say Something!", key="chat_input")
 
     # Check if there is an input
 if user_input:
         # Generate a response based on the user input
-        response = generate_response(user_input)
+    response = generate_response(user_input)
         
         # Update chat history with the user input and bot response
-        st.session_state.chat_history.append(("You", user_input))
-        st.session_state.chat_history.append(("Bot", response))
+    st.session_state.chat_history.append(("You", user_input))
+    st.session_state.chat_history.append(("Bot", response))
 
         # Display chat history
-        for author, text in st.session_state.chat_history:
-            st.chat_message(text=text, author=author)
+    for author, text in st.session_state.chat_history:
+        st.chat_message(text=text, author=author)