擅长:python、mysql、java
<p>我只需要用readlines()读取整个文件,弹出最后一行,然后用csv模块编写</p>
<pre><code>import csv
f = open("summary.csv", "r+w")
lines=f.readlines()
lines=lines[:-1]
cWriter = csv.writer(f, delimiter=',')
for line in lines:
cWriter.writerow(line)
</code></pre>