save project

diy.py

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