save project

diy.py

 with open(r'C:\Users\玛酷机器人市南店8号\Desktop\sales_list.txt','r',encoding='utf-8') as file:
     a=file.readlines()
+final_sum=[]
 for i in a:
     data=i.split()
     #print(data[0])
@@ -7,5 +8,7 @@ for i in a:
     sum=0
     for sales in data [1:]:
         sum=sum+int(sales)
-    result=data[0]+str(sum)
-    print(result)
\ No newline at end of file
+    result=data[0]+str(sum)+'\n'
+    final_sum.append(result)
+with open(r'C:\Users\玛酷机器人市南店8号\Desktop\new_sales_list.txt','a',encoding='utf-8') as file:
+     file.writelines(final_sum)
\ No newline at end of file