auto save

diy.py

 with open(r'c:\Users\lenovo\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
     a=file.readlines()
     #print(a)
-list_sum=[]
 for i in a:
     data=i.split()
     sum=0
     for sales in data[1:]:
         sum=sum+int(sales)
-    r=data[0]+str(sum)+'\n'
-    list_sum.append(r)
-with open(r'c:\Users\lenovo\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
-    file.writelines(list_sum)
\ No newline at end of file
+    print(data[0],sum)
\ No newline at end of file