Untitled

<!DOCTYPE html>
<html>
<head>
  <title>My Interactive Page</title>
  <style>
    body {
      font-family: sans-serif;
      text-align: center;
    }
  </style>
</head>
<body>

  <h1>Welcome to My Page!</h1>

  <button onclick="changeColor()">Change Background Color</button>

  <script>
    function changeColor() {
      const colors = ["red", "green", "blue", "yellow", "purple"];
      const randomIndex = Math.floor(Math.random() * colors.length);
      document.body.style.backgroundColor = colors[randomIndex];
    }
  </script>

</body>
</html>
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