save project

diy.py

@@ -2,10 +2,15 @@ with open(r"c:\Users\玛酷\Documents\lesson13-1\sales_list.txt",
         'r',encoding='utf-8') as file:
     data=file.readlines()
 
+sum_list=[]
 for i in data:
     list1=i.split()
     sum=0
     for sales in list1[1:]:
         sum=sum+int(sales)
-    result=list1[0]+str(sum)
-    print(result)
\ No newline at end of file
+    result=list1[0]+str(sum)+'\n'
+    sum_list.append(result)
+
+with open(r"c:\Users\玛酷\Documents\lesson13-1\new_sales_list.txt",
+        'a',encoding='utf-8') as file:
+    file.writelines(sum_list)
\ No newline at end of file