擅长:python、mysql、java
<p>您需要保存新数据吗?如果是这样,这将完成工作,文件甚至不能是csv格式:</p>
<pre><code>with open(filename1, "rb") as f:
f1lines = f.readlines()
with open(filename2, "rb") as f:
f2lines = f.readlines()
length = min(len(f1lines), len(f2lines))
f1lines = f1lines[:length]
f2lines = f2lines[:length]
with open(filename1, "wb") as f:
for line in f1lines:
f.write(line)
with open(filename2, "wb") as f:
for line in f2lines:
f.write(line)
</code></pre>