diff -r 40bdf9064e13 -r 63a1376cbebd marking1/drumb_test2.scala
--- a/marking1/drumb_test2.scala	Sat Nov 17 15:35:50 2018 +0000
+++ b/marking1/drumb_test2.scala	Sat Nov 17 22:39:02 2018 +0000
@@ -1,14 +1,5 @@
 
-// paste in the actual values
-
-val urban_prices1 = CW6c.get_prices(List("BIDU"), 2004 to 2008)
-val urban_prices2 = CW6c.get_prices(List("GOOG", "AAPL"), 2010 to 2012)
-
+assert(get_first_price("GOOG", 1980) == None)
 
-assert(CW6c.get_deltas(urban_prices1) == 
-       List(List(None), List(None), 
-	    List(Some(0.9277165354330709)), List(Some(2.119679764725104))))
+assert(get_first_price("GOOG", 2010) == Some(311.349976))
 
-assert(CW6c.get_deltas(urban_prices2) == 
-       List(List(Some(-0.03573992567129673), Some(0.5399749442411563)), 
-	    List(Some(0.10103412653643493), Some(0.2477771728154912))))