save project

diy.py

-
+final_sum = []
 with open(r"c:\Users\Windows\Documents\lesson13-1\sales_list.txt",'r',encoding="utf-8") as file:
 with open(r"c:\Users\Windows\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()
         #print(data[0])
         #print(data[0])
         #print(data[1:])
         #print(data[1:])
         sum = 0
         sum = 0
         for sales in data[1:]:
         for sales in data[1:]:
             sum = sum + int(sales)
             sum = sum + int(sales)
-        result = data[0]+str(sum)
-with open(r"c:\Users\Windows\Documents\lesson13-1\sales_list2.txt",'r',encoding="utf-8") as file:
+        result = data[0]+str(sum)+'\n'
+        final_sum.append(result)
+with open(r"c:\Users\Windows\Documents\lesson13-1\sales_list2.txt",'a',encoding="utf-8") as file:
     file.writelines(final_sum)
     file.writelines(final_sum)
\ No newline at end of file