diff --git a/demo.py b/demo.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/demo.py
diff --git a/diy2.py b/diy2.py
index 395ed67..f4f37c9 100644
--- a/diy2.py
+++ b/diy2.py
@@ -1 +1,7 @@
-alist = [88, 75, 72, 82, 90, 85, 78, 91]
\ No newline at end of file
+alist = [88, 75, 72, 82, 90,234,456,75,5,89,689,789,]
+
+for i in range(len(alist)-1):
+    for j in range(len(alist)-1-i):
+        if alist[j] > alist[j+1]:
+            alist[j], alist[j+1] = alist[j+1], alist[j]
+print(alist)