save project

diy.py

-with open("c:\Users\Administrator\Documents\lesson13_2\sales_list.txt","w",encoding="utf-8")as ww：
+with open("c:\Users\Administrator\Documents\lesson13_2\sales_list.txt","w",encoding="utf-8")as ww:
     a=ww.readlines()
+
 for i in a:
     print(i)