save project

diy.py

 with open(r'c:\Users\客家话吧\Documents\lesson13-1\sales_list.txt','r',encoding=utf-8)as pop:
 with open(r'c:\Users\客家话吧\Documents\lesson13-1\sales_list.txt','r',encoding=utf-8)as pop:
-    a=pop.write()
+    a=pop.read()
     print(a)
     print(a)
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