class NaiveSequential:
    def __init__(self, layers):
        self.layers = layers  

    def __call__(self, inputs):
        x = inputs
        for layer in self.layers:
           x = layer(x)
        return x  
        
    @property 
    def weights(self):
       weights = []
       for layer in self.layers:
           weights += layer.weights
       return weights