update UI code

ui_module.py

@@ -270,12 +270,12 @@ def build_ui(evaluate_fn):
                     "Example: Write a function that accepts a list of integers "
                     "and returns the sum of all even numbers. It should handle "
                     "empty lists by returning 0 and ignore non-integer values."
-                    ""
-                    "The Python code entered should be in the format:"
-                    "def function name (parameter1, parameter2):"
-                    "    # Function body (code to execute)"
-                    "    result = parameter1 + parameter2"
-                    "    return result # Optional: sends a value back to the caller"
+                    "\n\n"
+                    "The Python code entered should be in the format:\n"
+                    "def function name (parameter1, parameter2):\n"
+                    "\t# Function body (code to execute)\n"
+                    "\tresult = parameter1 + parameter2\n"
+                    "\treturn result # Optional: sends a value back to the caller"
                 ),
                 lines=10,
                 max_lines=20,