">Returns</h2>
<p><code>True</code> if left-overlapping, <code>False</code> otherwise</p></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">@support_annotation_or_set
def isleftoverlapping(self, start: int, end: int) -&gt; bool:
    &#34;&#34;&#34;
    Checks if this span is overlapping with the given span, annotation or
    annotation set on the left, i.e. the last character is inside the span and the
    first character is before the span.

    N