def __init__(self, predict, label, length=3):
    super(Dataset, self).__init__(size=length)
    self.predict = predict
    self.label = label
    self.index = 0
    self.length = length
def __init__(self, predict, label, length=3):
    super(Dataset, self).__init__(size=length)
    self.predict = predict
    self.label = label
    self.index = 0
    self.length = length