auto save

diy.py

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