save project

qwer.py

 with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='UTF-8') as f:
 with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='UTF-8') as f:
-    write('\n小强：12本\n李明：15本')
+    f.write('\n小强：12本\n李明：15本')