auto save

ababa.py

+a=['你好呀\n','悟空\n','我在贝尔编程学python\n']

diy.py

 
 
 with open(r'c:\Users\Windows 10\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
 with open(r'c:\Users\Windows 10\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
     a=file.readlines()
     a=file.readlines()
+
 for i in a:
 for i in a:
     data=i.split()
     data=i.split()
     sum=0
     sum=0