Solution_Car_wash_station

app/main.py

@@ -1,6 +1,45 @@
-from typing import Callable
+class Car:
+    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
 
 
-def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+class CarWashStation:
+    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:
+        return round(
+            sum(self.calculate_washing_price(single_car)
+                for single_car in cars
+                if self.wash_single_car(single_car))
+        )
+
+    def calculate_washing_price(self, single_car: Car) -> float:
+        return (
+                single_car.comfort_class * self.clean_power -
+                single_car.clean_mark * self.average_rating /
+                self.distance_from_city_center
+        )
+
+    def wash_single_car(self, single_car: Car) -> None:
+        if self.clean_power > single_car.clean_mark:
+            single_car.clean_mark = self.clean_power
+
+    def rate_service(self, rate: int):
+        self.average_rating = round(
+            (self.average_rating *
+             self.count_of_ratings + rate) /
+            (self.count_of_ratings + 1), 1
+        )
+        self.count_of_ratings += 1