擅长:python、mysql、java
<p>是的。内置的<a href="https://docs.python.org/3/library/functions.html#any" rel="noreferrer">^{<cd1>}</a>函数使这一点变得简单:</p>
<pre><code>with open(filename) as f:
for line in f:
if any(letter.isupper() for letter in line):
print(line)
</code></pre>