er appears in the result of these conversions
only if a digit follows it. In addition, for <code class="docutils literal notranslate"><span class="pre">'g'</span></code> and <code class="docutils literal notranslate"><span class="pre">'G'</span></code>
conversions, trailing zeros are not removed from the result.</p>
<p><em>width</em> is a decimal integer defining the minimum field width.  If not
specified, then the field width will be determined by the content.</p>
<p>Preceding the <em>width</em> field by a