save project

diy.py

@@ -7,4 +7,4 @@
 # a.close()
 with open(r"C:\Users\admin\Desktop\book.txt","a",encoding='utf-8') as a:
     a.write("小强：12本/n")
-    a.write("李明：15本")
\ No newline at end of file
+    a.write("李明：15本/n")
\ No newline at end of file