Create app.py

app.py

@@ -0,0 +1,23 @@
+import streamlit as st
+
+# Initialize session state
+if 'username' not in st.session_state:
+    st.session_state.username = ''
+if 'scratch_pad' not in st.session_state:
+    st.session_state.scratch_pad = ''
+
+def save_session():
+    st.session_state.username = username
+    st.session_state.scratch_pad = scratch_pad
+
+st.title("Welcome to My App")
+
+if st.session_state.username:
+    st.subheader(f"Welcome back, {st.session_state.username}!")
+    scratch_pad = st.text_area("Scratch Pad", value=st.session_state.scratch_pad, height=200)
+    if st.button("💾 Save"):
+        save_session()
+else:
+    username = st.text_input("Please enter your name:")
+    if st.button("🔑 Login"):
+        save_session()