save project

diy.py

+j=[]
 with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding="utf-8") as asd:
     qwe=asd.readlines()
 for i in qwe:
@@ -6,7 +7,8 @@ for i in qwe:
     sum=0
     for sales in data[1:]:
         sum=sum+int(sales)
-    result=data[0]+str(sum)
+    result=data[0]+str(sum)+'\n'
+    j.append(result)
 with open(r'C:\Users\Administrator\Desktop\sum.txt','w',encoding="utf-8") as asd:
-    asd.writelines(result)
+    asd.writelines(j)
 # print(result)