擅长:python、mysql、java
<p>这样做有效:</p>
<pre><code>with open('list1.txt', 'r') as l1, open('list2.txt', 'r') as l2, open('list3.txt', 'w') as l3:
for left_part in l1:
for right_part in l2:
l3.write('%s%s\n' % (left_part.replace("\n",""), right_part.replace("\n","")))
l2.seek(0)
</code></pre>