diff --git a/diy.py b/diy.py
new file mode 100644
index 0000000..511a9e7
--- /dev/null
+++ b/diy.py
@@ -0,0 +1,9 @@
+# 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\MKCool\Desktop\test.txt"",'r',encoding = "utf-8") as file:
+    a=file.read()
+    print(a)
+    for data in a:
+        if"小红: 8000" in data:
+            print("数据在文件里")
+        else:
+            print("数据不在文件里")
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