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'
-with open(r"C:\Users\编程电脑1\Desktop\新建文件夹\新建文本文档.txt",'a',encoding = 'utf-8') as file:
-    file.write('小兰:12本\n')
+with open(r"C:\Users\编程电脑1\Desktop\新建文件夹\新建文本文档.txt",'r',encoding = 'utf-8') as file1:
+
+    for data in file1:
\ No newline at end of file
+        if '小兰:12本' in data:
+            print('数据在文件中') 
\ No newline at end of file