diff --git a/diy.py b/diy.py
new file mode 100644
index 0000000..9d541bd
--- /dev/null
+++ b/diy.py
@@ -0,0 +1,20 @@
+
+# file=open(r'C:\Users\Administrator\Desktop\赛赛老师的小作文.txt',"w",encoding="utf-8")
+# file.write("小兰:12本\n")
+# file.write("小丽:11本\n")
+# file.write("李文:9本\n")
+# file.write("张伟:16本\n")
+# file.close()
+# with open(r'C:\Users\Administrator\Desktop\赛赛老师的小作文.txt',"a",encoding="utf-8") as file:
+#     file.write("小强：12本\n")
+#     file.write("李明：15本\n")
+with open(r'C:\Users\Administrator\Desktop\赛赛老师的小作文.txt',"r",encoding="utf-8") as file:
+    for data in file:
+        if "小强：10本"in data:
+           print("小强在")
+        if "小兰：12本"in data:
+           print("小兰在")
+
+
+
+