save project

diy.py

-with open(r'c:\Users\Administrator\Documents\lesson13-1\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()
     a=file.readlines()
     #print(a)
     #print(a)
-
+f_sum=[]
 for i in a:
 for i in a:
     deta=i.split()
     deta=i.split()
     #print(deta[1:])
     #print(deta[1:])