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\Administrator\Desktop\text.txt','w',encoding='utf-8') as filel:
-    filel.write("小兰，10本")
-    filel.close()
\ No newline at end of file
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8') as filel:
+    for data in filel:
+        if "小兰，10本" in data:
+            print("数据在文件中")
\ No newline at end of file