class Vehicle:

  def __init__(self, name):
    self.__name = name
    self.speed = 1.0

  @property
  def name(self):
    return self.__name

  def move(self, distance):
    print("Moving")
    return distance / self.speed

  def describe(self):
    return ""

class Vehicle:

  def __init__(self, name):
    self.__name = name
    self.speed = 1.0

  @property
  def name(self):
    return self.__name

  def move(self, distance):
    print("Moving")
    return distance / self.speed

  def describe(self):
    return ""

class Vehicle:

  def __init__(self, name):
    self.__name = name
    self._speed = 1.0

  @property
  def name(self):
    return self.__name

  def move(self, distance):
    print("Moving")
    return distance / self.speed

  def describe(self):
    return ""

class Vehicle:

  def __init__(self, name):
    self.__name = name
    self._speed = 1.0

  @property
  def name(self):
    return self.__name

  def move(self, distance):
    print("Moving")
    return distance / self.speed

  def describe(self):
    return ""

from abc import ABC, abstractmethod

class Vehicle:

  def __init__(self, name):
    self.__name = name
    self._speed = 1.0

  @property
  def name(self):
    return self.__name

  def move(self, distance):
    print("Moving")
    return distance / self.speed

  def describe(self):
    return ""

from abc import ABC, abstractmethod

class Vehicle(ABC):

  def __init__(self, name):
    self.__name = name
    self._speed = 1.0

  @property
  def name(self):
    return self.__name

  def move(self, distance):
    print("Moving")
    return distance / self.speed

  def describe(self):
    return ""

from abc import ABC, abstractmethod

class Vehicle(ABC):

  def __init__(self, name):
    self.__name = name
    self._speed = 1.0

  @property
  def name(self):
    return self.__name

  def move(self, distance):
    print("Moving")
    return distance / self.speed

  @abstractmethod
  def describe(self):
    return ""

from abc import ABC, abstractmethod

class Vehicle(ABC):

  def __init__(self, name):
    self.__name = name
    self._speed = 1.0

  @property
  def name(self):
    return self.__name

  def move(self, distance):
    print("Moving")
    return distance / self.speed

  @abstractmethod
  def describe(self):
    return ""