擅长:python、mysql、java
<p>难吗?不,你可以很容易地</p>
<pre><code>file1 = open("file1.txt","r")
results = []
for line in file1:
file2 = open("file2.txt","r")
for l in file2:
if (l.split("\t")[0] == line.split("\t")[0]):
results.append(l.split("\t")[0])
break
file2.close()
file1.close()
for i in results:
print(i)
</code></pre>
<p>现在,这是最好的方法吗?可能不适合大文件。
(我花了74秒处理你的文件)。在</p>