from abc import ABCMeta, abstractmethod


class Layer(object):
    """
  Abstract class for creating layer.

  `
   feedforward -> Implement functionality of this layer
  `
  """
    __metaclass__ = ABCMeta

    @abstractmethod
    def __init__(self):
        pass

    @abstractmethod
    def feedforward(self):
        pass

71eed2ba21a7864f48cf6388c990c01cf1f01580
<mask token>


class Layer(object):
    <mask token>
    <mask token>

    @abstractmethod
    def __init__(self):
        pass
    <mask token>

<mask token>


class Layer(object):
    <mask token>
    __metaclass__ = ABCMeta

    @abstractmethod
    def __init__(self):
        pass

    @abstractmethod
    def feedforward(self):
        pass

<mask token>


class Layer(object):
    """
  Abstract class for creating layer.

  `
   feedforward -> Implement functionality of this layer
  `
  """
    __metaclass__ = ABCMeta

    @abstractmethod
    def __init__(self):
        pass

    @abstractmethod
    def feedforward(self):
        pass

from abc import ABCMeta, abstractmethod


class Layer(object):
    """
  Abstract class for creating layer.

  `
   feedforward -> Implement functionality of this layer
  `
  """
    __metaclass__ = ABCMeta

    @abstractmethod
    def __init__(self):
        pass

    @abstractmethod
    def feedforward(self):
        pass
