Solution

app/main.py

@@ -1,8 +1,55 @@
 class Car:
- # write your code here
- pass
+
+ def __init__(
+ self,
+ comfort_class: int,
+ clean_mark: int,
+ brand: str
+ ) -> None:
+ self.comfort_class = comfort_class
+ self.clean_mark = clean_mark
+ self.brand = brand
 
 
 class CarWashStation:
- # write your code here
- pass
+
+ def __init__(
+ self,
+ distance_from_city_center: float,
+ clean_power: int,
+ average_rating: float,
+ count_of_ratings: int
+ ) -> None:
+ self.distance_from_city_center = distance_from_city_center
+ self.clean_power = clean_power
+ self.average_rating = average_rating
+ self.count_of_ratings = count_of_ratings
+
+ def serve_cars(self, cars: list) -> float:
+ if not cars or not len(cars):
+ return 0
+
+ summ = 0
+ for car in cars:
+ if self.clean_power > car.clean_mark:
+ print(self.calculate_washing_price(car))
+ summ += self.calculate_washing_price(car)
+ self.wash_single_car(car)
+ return summ
+
+ def calculate_washing_price(self, car: any) -> float:
+ return round(
+ car.comfort_class * (self.clean_power - car.clean_mark)
+ * self.average_rating / self.distance_from_city_center, 1)
+
+ def wash_single_car(self, car: any) -> None:
+ if self.clean_power > car.clean_mark:
+ car.clean_mark = self.clean_power
+
+ def rate_service(self, rate: int) -> None:
+ rating = self.average_rating
+ count = self.count_of_ratings
+ new_rating = ((rating * count) + rate) / (count + 1)
+
+ self.average_rating = round(new_rating, 1)
+ self.count_of_ratings += 1