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\EDZ\Desktop\as.txt","a",encoding="utf-8") as file:
-    file.write("小强:10本\n")
-    file.write("李明:15本\n")
+with open(r"C:\Users\EDZ\Desktop\as.txt","r",encoding="utf-8") as f:
+    for d in f:
+        if "小强:10本" in d:
+            print("小强数据在文件中")
+        else:
+            print("No")