Optimization, Algorithms, Heuristics, Operations Research, Python.
def __init__(self, index, weight, value) -> None: self.index = index self.weight = weight self.value = value self.density = value / weight self.selected = False @classmethod def from_dict(cls, x: dict): index = x["index"] weight = x["weight"] value = x["value"] return cls(index, weight, value) We