save project

diy.py

 with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as f:
-    a=f.read()
-    print(a)
\ No newline at end of file
+    a=f.readlines()
+for i in a:
+    print(i)
\ No newline at end of file