擅长:python、mysql、java
<p>您可以使用enumerate测试行号并迭代文件一次</p>
<pre><code> with open('C:\Users\DillonSaxe\Real Estate\Chi address 2000-2015.csv', 'rb') as f
reader = csv.reader(f)
storage = [line for idx, line in enumerate(reader) if idx%20]
with open('C:\Users\DillonSaxe\Real Estate\Temp Geocode File.csv', 'wb') as f
writer = csv.writer(f)
writer.writerows(storage )
print 'Done'
</code></pre>