擅长:python、mysql、java
<pre><code>def foo():
input_file = open("myfile.txt", 'r')
input = ''.join(input_file.readlines())
looking_for = ['AAA', 'BBB', 'CCC', 'DDD']
have = []
for thing in looking_for:
if thing in input:
have.append(thing)
return have
</code></pre>