title: Is there a way for python to detect garbled or broken characters?
body: <p>Is there a way for python to detect garbled or broken characters such as below? I am reading a file as utf-8 but these characters were not detected as invalid.</p>
  <pre><code>å¾“æ¥­å“¡ãƒžã‚¹ã‚¿ 
  ���������� 
  </code></pre>