preference.py

from car import SelfDrivenCar

class Preference:
  def __init__(self, min_rider_rating = None, max_distance = None, preferred_language = None, prefers_self_driven = None):
    self.min_rider_rating = min_rider_rating
    self.max_distance = max_distance
    self.preferred_language = preferred_language
    self.prefers_self_driven = prefers_self_driven

  def matches_driver(self, driver):
    if self.preferred_language is not None:
      if driver.language != self.preferred_language:
        return False
    
    if self.prefers_self_driven is not None:
      driver_is_self_driven = isinstance(driver.car, SelfDrivenCar)
      if driver_is_self_driven != self.prefers_self_driven:
        return False

    return True

  def matches_rider(self, rider, distance):
    if self.min_rider_rating is not None:
      avg = rider.get_average_rating()
      if avg is None or avg < self.min_rider_rating:
        return False

    if self.max_distance is not None:
      if distance > self.max_distance:
        return False

    return True