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// 这是一个示例代码块
import React, { useState, useEffect } from 'react';

function Example() {
  const [count, setCount] = useState(0);
  
  useEffect(() => {
    document.title = `You clicked ${count} times`;
  });

  return (
    <div>
      <p>You clicked {count} times</p>
      <button onClick={() => setCount(count + 1)}>
        Click me
      </button>
    </div>
  );
}