# transform.py
# ------------
# By MWC Contributors
# The functions in this module transform data. 
# None of them are finished; this is your job!

def maximum(data):
    highest = None
    for number in data:
        if highest is None:
            highest = number
        if number > highest:
            highest =  number
    return highest
  
  
def minimum(data):
    lowest = None
    for number in data:
        if lowest is None:
            lowest = number
        if number < lowest:
            lowest = number
    return lowest

def bounds(data):
    return [minimum]

def clamp(value, low, high):
 

def ratio(value, start, end):
    

def scale(value, domain_min, domain_max, range_min, range_max):
 
 
def get_y_values(points):