save project

diy.py

 with open(r'C:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8')as file:
     a=file.readlines()
+Sans=[]
 for i in a:
     new_i = i.split()
     #print(new_i[0])
@@ -7,5 +8,7 @@ for i in a:
     sum=0
     for sales in new_i[1:]:
         sum = sum+int(sales)
-    new_1=new_i[0]+str(sum)
-    print(new_1)
\ No newline at end of file
+    new_1=new_i[0]+str(sum)+'\n'
+    Sans.append(new_1)
+with open(r'C:\Users\Administrator\Desktop\sales_list.txt','w',encoding='utf-8')as file:
+    file.writelines(Sans)
\ No newline at end of file