auto save

diy.py

 with open(r'c:\Users\栩栩\Documents\lesson13-1\sales_list.txt','r',encoding = 'utf-8') as file:
     a = file.readlines()
-w = 0
-for i in file[1:]:
+for i in a:
     data = i.split()
     print(data[0] , data[1:])
-   # w = w+