save project

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'
 filel=open(r'C:\Users\Administrator\Desktop\tese.txt','w',encodong='utf-8')
+
+
 filel.write('12')
-filel.close()
\ No newline at end of file
+filel.close()
+with open(r'C:\Users\Administrator\Desktop\tese.txt','a',encodong='utf-8') as filel:
+    file.write('12\n')
+    file.close()