from typing import ClassVar class Vehicle: DEFAULT_FUEL_CONSUMPTION: ClassVar[float] = 1.25 fuel_consumption: float fuel: float capacity: float horse_power: float def __init__(self, fuel: float, horse_power: float): self.fuel = fuel self.capacity = self.fuel self.horse_power = horse_power self.fuel_consumption = self.DEFAULT_FUEL_CONSUMPTION def drive(self, kilometers): fuel_needed = self.fuel_consumption * kilometers if self.fuel < fuel_needed: raise Exception("Not enough fuel") self.fuel -= fuel_needed def refuel(self, fuel): if self.fuel + fuel > self.capacity: raise Exception("Too much fuel") self.fuel += fuel def __str__(self): return f"The vehicle has {self.horse_power} " \ f"horse power with {self.fuel} fuel left and {self.fuel_consumption} fuel consumption"