save project

diy.py

@@ -2,4 +2,6 @@
 a=open(r"C:\Users\LX\Desktop\wen.txt",'w',encoding='utf-8')
 a=open(r"C:\Users\LX\Desktop\wen.txt",'w',encoding='utf-8')
 a.write("小强:10本\n")
 a.write("小强:10本\n")
 a.write("李明:15本\n")
 a.write("李明:15本\n")
-a.close()
+a.close()
\ No newline at end of file
+with open(r"C:\Users\LX\Desktop\wen.txt",'a',encoding='utf-8') as a:
+    a.write("小兰:12本\n")
\ No newline at end of file