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'
-file1=open(r"C:\Users\Administrator\Desktop\qq.txt","w",encoding='utf-8')
-file1.write('xxs')
-file1.close()
\ No newline at end of file
+with open("C:\Users\Administrator\Desktop\qq.txt",'a',encoding='utf-8') as file:
+    file.write('xxs')
+
+
+