save project

diy.py

-
-with open(r'D:\1.txt','a',encoding='utf-8') as file:
-    file.write('小强: 12本\n')
-    file.write('李明: 15本\n')
+# 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'D:\1.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强:12本'in data:
+            print('在文件中')
+