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 ""