擅长:python、mysql、java
<p>从python3.7开始,就可以在模块上使用<code>getattr</code>。你知道吗</p>
<pre><code>import StackOverflow
number = input('Enter a number')
var_name = f'Car{number}'
if hasattr(StackOverflow, var_name):
car = getattr(StackOverflow, var_name)
else:
print('Car not found')
</code></pre>