擅长:python、mysql、java
<p>使用<code>isinstance()</code>:</p>
<pre><code>the_list = ['GBP', 31, 'PIT', 25, ['Football']]
for i, x in enumerate(the_list):
if isinstance(x, list):
the_list[i] = 'Football'
elif isinstance(x, int):
the_list[i] = x -7
the_list
['GBP', 24, 'PIT', 18, 'Football']
</code></pre>