auto save

diy.py

@@ -4,4 +4,5 @@ with open(r'c:\Users\CM\Desktop\book.txt','a',encoding='utf-8')as file1:
         if'小强:10本'in data:
             print('小强数据在文件中')
         if'小兰:12本'in data:
-            print('小兰数据在文件中')
\ No newline at end of file
+            print('小兰数据在with open(r',encoding='utf-8')as file1:件中')
+with open(r'c:\Users\CM\Desktop\book.txt','a',encoding='utf-8')as file1:
\ No newline at end of file