擅长:python、mysql、java
<p><code>a, b = b, a</code>是习惯用法的Python,用于“交换a和b”。在</p>
<pre><code>x[i], x[j] = x[j], x[i] # Swaps x[i] and x[j]
</code></pre>
<h3>相关堆栈溢出岗位:</h3>
<ul>
<li><a href="https://stackoverflow.com/q/1149802/78845">Pythonic Swap?</a></li>
<li><a href="https://stackoverflow.com/q/101268/78845">Hidden features of Python</a><a href="https://stackoverflow.com/a/102037/78845">In-place value swapping</a></li>
</ul>