save project

diy.py

@@ -6,5 +6,8 @@ with open(r"c:\Users\Administrator\Desktop\sales_list.txt","r",encoding="utf-8")
     sum=0
     for aaa in na[1:]:
         sum=sum+int(aaa)
-    sa=aaa[0]+str(sum)
-    print(sa)
+    sa=aaa[0]+str(sum)+"\n"
+    w.append(sa)
+with open(r"c:\Users\Administrator\Desktop\new_sales_list.txt","r",encoding="utf-8") as Q:
+    Q.writelines(w)
+