auto save

diy.py

@@ -8,7 +8,7 @@ with open(r"C:\Users\10839\Desktop\book.txt",'r',encoding='utf-8')as file:
     a=file.read()
     print(a)
 new_data=''
-with open(r"C:\Users\10839\Desktop\book.txt",'r',encoding='utf-8')as file:
+with open(r"C:\Users\10839\Desktop\book.txt",'',encoding='utf-8')as file:
     for data in file:
         if '小兰：12本' in data:
             #print('数据找到了)