diff --git a/diy.py b/diy.py
new file mode 100644
index 0000000..ae93eaa
--- /dev/null
+++ b/diy.py
@@ -0,0 +1,5 @@
+# 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\\dipont\\Desktop\\test.txt","r",encoding="utf-8") as file1:
+    for data in file1:
+        if "小兰:12本"in data:
+             print("数据在文件中。")
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