擅长:python、mysql、java
<p>您可以尝试转换,如果不可能,则返回不变的值:</p>
<pre><code>def to_int(x):
try:
return int(x)
except ValueError:
return x
a = ["a\n", "222\n", "bbb\n", "7777"]
new_a = [to_int(x) for x in a]
print(new_a)
</code></pre>
<p>输出:</p>
<pre><code>['a\n', 222, 'bbb\n', 7777]
</code></pre>