update files

course_preview.py

@@ -1,4 +1,6 @@
 class CourseMetadata:
-    def __init__(self, name, score):
+    def __init__(self, name, score, id, course_url):
         self.name = name
-        self.score = score
+        self.score = score
+        self.id = id
+        self.course_url = course_url