title: Remove some characters from a string by index (Raku)
body: <p>FAQ: In Raku, how do you remove some characters from a string, based on their index?</p>
  
  <p>Say I want to remove indices 1 to 3 and 8</p>
  
  <pre><code>xxx("0123456789", (1..3, 8).flat);  # 045679
  </code></pre>