Update app.py

app.py

@@ -1,8 +1,19 @@
 import streamlit as st
-import streamlit as st
 import sys
 import io
 
+# Inject custom CSS to set light blue background
+st.markdown(
+    """
+    <style>
+    body {
+        background-color: #e6f2ff;
+    }
+    </style>
+    """,
+    unsafe_allow_html=True
+)
+
 def execute_code(code, user_input=""):
     """Execute the given code with simulated input and return the output."""
     old_stdout = sys.stdout  # Backup original stdout