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'
 # 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'
-e =open(r"C:\Users\Administrator\Desktop\新建文件夹\test.txt","w",encoding="utf-8")
-e.write('小兰：12本')
-e.close()
+# e =open(r"C:\Users\Administrator\Desktop\新建文件夹\test.txt","w",encoding="utf-8")
+# e.write('小兰：12本')
+# e.close()
\ No newline at end of file
+with open(r"C:\Users\Administrator\Desktop\新建文件夹\test.txt","a",encoding="utf-8") as  e:
+    e.write('小丽：11本')
\ No newline at end of file