save project

diy.py

-with open(r"D:\桌面\Ss","r",encoding="utf-8") as a:
+with open(r"c:\Users\猫头鹰\Documents\lesson13-1\sales_list.txt,encoding="utf-8") as a:
     l=a.readlines()
     l=a.readlines()
 for i in l:
 for i in l:
     print(i)
     print(i)
\ No newline at end of file