Adding layout.py

layout.py

@@ -0,0 +1,9 @@
+import streamlit as st
+
+def init_session_state():
+    if 'dark_mode' not in st.session_state:
+        st.session_state.dark_mode = False
+    if 'code' not in st.session_state:
+        st.session_state.code = ""
+    if 'stdin' not in st.session_state:
+        st.session_state.stdin = ""