save project

diy.py

- with open(r'c:\Users\Administrator\Documents\lesson13-3\sales_list.txt','r',encoding='utf-8') as file:
+with open(r'c:\Users\Administrator\Documents\lesson13-3\sales_list.txt','r',encoding='utf-8') as file:
     a=file.readlines()
    # print(a)
     for i in a:
@@ -7,3 +7,7 @@
 
 
 
+
+ 
+
+