<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/brython@3.9.5/brython.min.js"></script> 
    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/brython@3.9.5/brython_stdlib.js"></script> 
<body onload="brython()"> 
    <script type="text/python"> 
        from browser import document, html 
        document <= 'seja feliz por favor' 
<script type="text/javascript">
        brython(1);
    </script>