擅长:python、mysql、java
<p>请尝试以下python代码:</p>
<pre><code>data1, data2 = [], []
for fname, data in [('file1.txt', data1), ('file2.txt', data2)]:
for line in open(fname):
data.append(set(line.strip().split()[1:]))
common = [s for s in data1 if s in data2]
for c in common:
print c
print len(common)
</code></pre>
<p>输出:</p>
<pre><code>set(['280', '251', '428'])
set(['309', '212', '226'])
set(['336', '339', '376'])
set(['380', '339', '376'])
set(['237', '418', '193'])
5
</code></pre>