<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Flask App - Insert Number</title>
</head>
<body>
<h1>Insert Number</h1>
<form action="/saveNumber" method="post">
<label for="numberInput">Number:</label>
<input type="number" id="numberInput" name="numberInput">
<button type="submit">Save Number</button>
</form>
</body>
</html>