Delete an item from a list by match not index
<p>I have a nested list that looks like this:</p>

<pre><code>lst = [[1,2,3],["a","b","c"],[4,5,6]]
</code></pre>

<p>I would like to delete an item from this list by matching, not by index. For example, how can I delete <code>[4, 5, 6]</code>?</p>
