Solution Washing Staiton

app/main.py

@@ -1,8 +1,37 @@
 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[Car]) -> float:
+        total_income = 0
+        for car in cars:
+            if car.clean_mark <= self.clean_power:
+                total_income += self.wash_single_car(car)
+                car.clean_mark = self.clean_power
+        return round(total_income, 1)
+
+    def calculate_washing_price(self, car: Car) -> float:
+        cost = (car.comfort_class * (self.clean_power - car.clean_mark) *
+                self.average_rating / self.distance_from_city_center)
+        return round(cost, 1)
+
+    def wash_single_car(self, car: Car):
+        return round(self.calculate_washing_price(car), 1)
+
+    def rate_service(self, rate: float) -> None:
+        rate = max(1.0, min(rate, 5.0))
+        total_ratings = self.count_of_ratings
+        self.average_rating = round(
+            (self.average_rating * total_ratings + rate) / (total_ratings + 1), 1)
+        self.count_of_ratings += 1