auto save

diy.py

@@ -9,6 +9,9 @@ a.write('张伟:16\n')
 #a.close()
 a=open(r'C:\Users\DELL\Desktop/test.txt','a',encoding='utf-8')
 a.write('小兰:12\n')
-a.write('小强：12\n')
-a.write('李明:15\n')
-a.close()    
\ No newline at end of file
+
+a.close()   
+a=open(r'C:\Users\DELL\Desktop/test.txt','r',encoding='utf-8')
+o=a.read() 
+print(o)
+a.close()
\ No newline at end of file