save project

diy.py

 with open(r"c:\Users\Lenovo、\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file1:
 with open(r"c:\Users\Lenovo、\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file1:
     a=file1.readlines()
     a=file1.readlines()
     print(type(a[3:5]))
     print(type(a[3:5]))
+    print(a[3:5])