auto save

diy.py

 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
+new=''
 with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8') as book:
-    a=book.read()
-    print(a)
+    
+    
     for data in book:
         if '徐瑞宣我儿子' in data:
             print("i")
\ No newline at end of file