diff --git a/diy.py b/diy.py
new file mode 100644
index 0000000..6c6f1d3
--- /dev/null
+++ b/diy.py
@@ -0,0 +1,3 @@
+# 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\MC3-07\Desktop", "a", encoding="utf-8") as file:
+    file.write("小强：100本\n小兰120本\n小泰999本")
\ No newline at end of file
diff --git a/tr.py b/tr.py
new file mode 100644
index 0000000..cb13559
--- /dev/null
+++ b/tr.py
@@ -0,0 +1,2 @@
+for i in range 9:
+    print(i)
\ No newline at end of file