def __init__(self, parameters):
        """
        :param parameters: A list of `Parameter` objects
        """

        self.parameters = parameters
        self.by_name = {p.name: p for p in self.parameters}
        self.values = {}
def __init__ ( self , parameters ) : self . parameters = parameters self . by_name = { p . name : p for p in self . parameters } self . values = { }
:param parameters: A list of `Parameter` objects