save project

diy.py

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