<li><strong>ProcessPoolExecutor provides true parallelism, but everything sent to/from workers must be <ahref="#pickle">pickable</a>. Queues must be sent using executor's 'initargs' and 'initializer' parameters.</strong></li>
</ul>
<div><h2id="operator"><ahref="#operator"name="operator">#</a>Operator</h2><p><strong>Module of functions that provide the functionality of operators. Functions are ordered by operator precedence, starting with least binding.</strong></p><pre><codeclass="python language-python hljs"><spanclass="hljs-keyword">import</span> operator <spanclass="hljs-keyword">as</span> op
<bool> = op.not_(<obj>) <spanclass="hljs-comment"># not (or/and bind even less)</span>
<bool> = op.not_(<obj>) <spanclass="hljs-comment"># or, and, not (or/and missing)</span>
<div><h4id="addsnoisetoapngimageanddisplaysit">Adds noise to a PNG image and displays it:</h4><pre><codeclass="python language-python hljs"><spanclass="hljs-keyword">from</span> random <spanclass="hljs-keyword">import</span> randint
<div><h4id="addsnoisetothepngimageanddisplaysit">Adds noise to the PNG image and displays it:</h4><pre><codeclass="python language-python hljs"><spanclass="hljs-keyword">from</span> random <spanclass="hljs-keyword">import</span> randint
add_noise = <spanclass="hljs-keyword">lambda</span> value: max(<spanclass="hljs-number">0</span>, min(<spanclass="hljs-number">255</span>, value + randint(<spanclass="hljs-number">-20</span>, <spanclass="hljs-number">20</span>)))