HTML hello world

HTML
<!DOCTYPE html>
<html>
  <body>
  	Hello World!
  </body>
</html><!DOCTYPE html>

<html>
<head>
<title>Page Title</title>

</head>
<body>

<h1>This is a Heading</h1>
<p>This is a paragraph.</p>


</body>
</html>
Source

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