22. 每读十行生成一个新文件

import time

fileNo=1

backup_content=""

line_count=0

fp = open("e:\\1.txt","r+")

for line in fp:

   backup_content+=line

   line_count+=1

   if line_count%10==0:

       with open("e:\\backup"+str(fileNo)+".txt","w") as fp2:

           fp2.write(backup_content)

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       line_count=0

       backup_content=""

       fileNo+=1

   

fp.close()