diff --git a/u2/list_ops.py b/u2/list_ops.py
index e69de29..b8be04a 100644
--- a/u2/list_ops.py
+++ b/u2/list_ops.py
@@ -0,0 +1,14 @@
+def length(l):
+    count = 0
+    for c in range l:
+        count +=1
+    return count
+
+def append(list1, list2):
+    list = []
+    for item in list1:
+        list += [item]
+    for item in list2:
+        list += [item]
+    return list
+