sss;dfklj

transform.py

@@ -18,7 +18,7 @@ def minimum(data):
     "Returns the smallest number in data"
     lowest = None
     for number in data:
-        if lowest is none:
+        if lowest is None:
             lowest = number
         if number < lowest:
             lowest = number
@@ -28,6 +28,12 @@ def bounds(data):
     "Returns a list of the smallest and largest numbers in data"
     highest = maximum(data)
     lowest = minimum(data)
+    ###########################
+    ###########################
+    # You are not returning anything here.  write a return statement that returns the highest and lowest number
+    ###########################
+    ###########################
+    return [lowest, highest]
 
 def clamp(value, low, high):
     """Clamps a value to a range from low to high. 
@@ -55,8 +61,13 @@ def ratio(value, start, end):
 def scale(value, domain_min, domain_max, range_min, range_max):
     "Given a value within a domain, returns the scaled equivalent within range."
     scale = range_min + ((ratio(value, domain_min, domain_max))*(range_max, range_min))
-
     return scale
+    #return scales
+    ###########################
+    ###########################
+    # if you return scales (with an s) you are essentiallly returning nothing because you have only defined scale
+    ###########################
+    ###########################
 
 def get_x_values(points):
     "Returns the first value for each point in points."