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Input
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Sample Page</title> <style>body{font-family:Arial,sans-serif;margin:0;padding:20px}</style> </head> <body> <header><h1>Welcome</h1><nav><a href="#">Home</a><a href="#">About</a></nav></header> <main><p>This is a sample HTML page.</p></main> <footer>© 2025</footer> </body> </html>
Output
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Formatted HTML will appear here...