auto save

diy.py

@@ -5,8 +5,5 @@
 #filel.write('李文：9本\n')
 #filel.write('李文：16本\n')
 #filel.close()
-#with open(r'C:\Users\DELL\Desktop\1.txt','r',encoding='utf-8')as file1: 
-with open(r'C:\Users\DELL\Desktop\1.txt','r',encoding='utf-8')as file1: 
-    for data in data:
-        it'小强:10本'in data:
-        print('数据中在文件中')
\ No newline at end of file
+with open(r'C:\Users\DELL\Desktop\1.txt','a',encoding='utf-8')as file1:
+    filel.write('小兰：12本\n')    
\ No newline at end of file