save project

diy.py

-with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8')as file1:
+with open(r'C:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8')as file1:
     a=file1.readlines()
     a=file1.readlines()
 for i in a:
 for i in a:
     data=i.split()
     data=i.split()