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'
 # 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_book=""
 
 
 a=open(r'/Users/edz/Desktop/book.txt','w',encoding='utf-8')
 a=open(r'/Users/edz/Desktop/book.txt','w',encoding='utf-8')
 a.write('小兰:12本\n')
 a.write('小兰:12本\n')
@@ -26,10 +25,5 @@ with open(r'/Users/edz/Desktop/book.txt','r',encoding='utf-8') as a5:
     for book in a5:
     for book in a5:
         if '小强:12本' in book:
         if '小强:12本' in book:
             print('122121')
             print('122121')
-        #     a5.replace('小强:12本','小强:11本')
-        #     new_book=a5
-        # print(new_book)
-        
-