auto save

diy.py

 # 写入同学们的捐赠明细：'小兰：12本'、
 # 写入同学们的捐赠明细：'小兰：12本'、
 with open(r"C:\Users\windows\Desktop\juanzeng.txt",'a',encoding='utf-8') as file:
 with open(r"C:\Users\windows\Desktop\juanzeng.txt",'a',encoding='utf-8') as file:
 
 
-    file.write("小兰：12本\n")
+    file.write("小强：12本\n")