title: Remove 7 characters from every row
body: <p>How am I supposed to do so this code removes last 7 characters from each row?</p>
  <pre><code>string = &quot;&quot;&quot;
      &quot;bleach&quot;: 1.0,
      &quot;ducttape&quot;: 1.0,
  &quot;&quot;&quot;
  result = string[:-7]
  print(result)
  </code></pre>