def __init__(self, numberLists):
        """Constructor.

        Builds 'numberLists' doubly linked lists.

        """
        self.numberLists = numberLists
        self.sentinel = MultiList.Node(numberLists)
        self.sentinel.next = [self.sentinel] * numberLists
        self.sentinel.prev = [self.sentinel] * numberLists
Constructor.

        Builds 'numberLists' doubly linked lists.

        
pymoo/vendor/hv.py