def make_peak(width:int, height:float=100) -> list:
    """
    This is an accessory function that generates a parabolic peak of width and height given in argments. 

    width: integer width of the peak
    height: float height of peak

    Returns: list of values of the peak
    """
   
    rightSide = [-x**2 for x in range(width+1)]
    leftSide = [x for x in rightSide[:0:-1]]

    peak = leftSide+rightSide
    scale = -height/leftSide[0]
    peak = [(x*scale)+height for x in peak]
    
    return peak