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()
-   final_sum=[]
+final_sum=[]
 for i in a:
     data=i.split()
     
     sum=0
-    for sales in data[1]:
+    for sales in data[1:]:
        sum=sum+int(sales)
-result=data[0]+str(sum)+'\n'
-final_sum.append(result)
-with open( r'c:\Users\Administrator\Documents\lesson13-1\new_sales.list.txt','a',encoding='utf-8')as file:
+   result=data[0]+str(sum)
+   final_sum.append(result)
+with open( r'c:\Users\Administrator\Documents\lesson13-1\new_sales.list.txt','a',encoding='utf-8') as file:
    file.writelines(final_sum)
+   print(final_sum)