diff --git a/courseware/progress.py b/courseware/progress.py
new file mode 100644
index 0000000000..6fe7cf3f2a
--- /dev/null
+++ b/courseware/progress.py
@@ -0,0 +1,19 @@
+class completion(object):
+    def __init__(self, d=None):
+        self.dict = dict()
+        if d: 
+            self.dict.update(d)
+
+    def __getitem__(self, key):
+        return self.dict[key]
+
+    def __setitem__(self, key, value):
+        self.dict[key] = value
+
+    def __add__(self, other):
+        result = dict()
+        dict.update(self.dict)
+        dict.update(other.dict)
+
+    def __contains__(self, key):
+        pass