     editor = ace.edit("editor");
                editor.session.setMode("ace/mode/python");
            });
        </script>
    </head>
    <body>
        <div id="repldemo">
            <h1>Simple REPL for Python WASM</h1>
            <div id="editor">print('Welcome to WASM!')</div>
            <div class="button-container">
                <button id="run" disabled>Run code</button>
                <button id="repl" disabled>Start REPL</button>
                <button id="stop" disabled>Stop</button>
 