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\qqq.txt','w',encoding='utf-8')
-file1.write('小兰：12本')
-file1.close()
\ No newline at end of file
+#file1 = open(r'C:\Users\Administrator\Desktop\qqq.txt','w',encoding='utf-8')
+#file1.write('小兰：12本')
+#file1.close()
+with open(r'C:\Users\Administrator\Desktop\qqq.txt','w',encoding='utf-8') as file:
+    file.write('小丽：11本\n')