#encoding:utf-8
import csv
csv_sourcefile=csv.reader(open('E:\haomao.csv'))
msisdn=[stu[0] for stu in csv_sourcefile]
csv_destfile=open('E:\msi_%s.csv'%(len(msisdn)),'a')
csv_write = csv.writer(csv_destfile,dialect='excel')
csv_write.writerow(msisdn)
print ("write over",len(msisdn))