擅长:python、mysql、java
<p>您可以做的一件事是<a href="http://www.dabeaz.com/generators/Generators.pdf" rel="nofollow">use generators</a>使用与您已经做过的类似的方法动态筛选出列表中的成员:</p>
<pre><code>data = open("file.txt")
fortysevens = (line for line in data if contains_47(line))
for line in fortysevens:
# do something here
def contains_47(line):
# your existing code here to detect if a line contains 47
</code></pre>