擅长:python、mysql、java
<p>我在想你可以用这个代码来写剧本</p>
<pre><code>import sys
import ast
class visitor(ast.NodeVisitor):
def visit_Try(self, node):
...
if sys.version.startswith("2"):
visit_TryFinally = visit_TryFinally
elif sys.version.startswith("3"):
visit_TryFinally = visit_Try
</code></pre>
<p><code>sys.version.startswith()</code>检查Python的版本。你知道吗</p>