Problem 1.Hello HTML

/*Problem 1.Hello HTML
Create a HTML document holding the text "Hello HTML". 
Ensure you have <doctype>, <html>, <head>, <title> and <body>. 
Play with the other tags.*/

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>01.HelloHTML</title>
</head>
<body>
    Hello HTML
</body>
</html>