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\test.txt','a',encoding='utf-8') as file:
-    file.write("\n小强: 12本,\n李明:15本,")
\ No newline at end of file
+with open (r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file:
+    for i in file:
+        if "小强:12本" in i:
+            print("文件中有")
\ No newline at end of file