<p>在python <code>3.7^</code>中,如果<code>dict</code>中的键无效,是否可以使用<code>or</code>操作符</p>
<pre class="lang-py prettyprint-override"><code>value = myDict['invalidKey'] or 'Default'
print(value)
# Has to show 'Default' and don't raise the [KeyError: 'invalidKey'] exception
</code></pre>