天池，删除地址

#!/usr/bin/env python
fl = open(‘train.csv‘)
wrr = open(‘no_time_but_add.csv‘,‘w+‘)
for key in fl:
  pt = key.split(‘,‘)
  if pt[2] != ‘‘:
    wrr.write(key)
    print pt
fl.close()
wr.close()

原文：http://blog.csdn.net/ozuoqi/article/details/44838351