擅长:python、mysql、java
<p><a href="https://bugs.python.org/issue36426" rel="nofollow noreferrer">I've reported a bug on a Python Issue Tracker</a>,官方的回答是:</p>
<blockquote>
<p>This is currently by design, which means 3.8 is likely the only viable place it can change. It's also not Windows specific so I removed that component (people may remove themselves from nosy).<br/>
...<br/>
Currently it's basically a read-only proxy, as locals are optimized within functions which is why you can't see updates via the duct.</p>
</blockquote>
<p>总之,以这种方式使用的<code>exec()</code>在函数内部是没有用的。在</p>