Solution

app/car.py

@@ -0,0 +1,12 @@
+from dataclasses import dataclass
+from math import sqrt
+
+
+@dataclass
+class Car:
+    brand: str
+    fuel_consumption: float
+
+    def total_consumption(self, start: list, end: list) -> float:
+        distance = sqrt((end[0] - start[0]) ** 2 + (end[1] - start[1]) ** 2)
+        return round(2 * distance * self.fuel_consumption / 100, 2)

app/customer.py

@@ -0,0 +1,49 @@
+from app.car import Car
+from app.shop import Shop
+
+
+class Customer:
+    def __init__(
+            self,
+            name: str,
+            product_cart: dict,
+            location: list,
+            money: int,
+            car: dict
+    ) -> None:
+        self.name = name
+        self.product_cart = product_cart
+        self.location = location
+        self.money = money
+        self.car = Car(*car.values())
+        print(f"{self.name} has {self.money} dollars")
+
+    def trip_cost(
+            self,
+            shop: Shop,
+            fuel_price: float
+    ) -> float:
+        products_cost = shop.products_cost(self.product_cart).values()
+        fuel_cons = self.car.total_consumption(self.location, shop.location)
+        return round(sum(products_cost) + fuel_cons * fuel_price, 2)
+
+    def cheapest_trip(
+            self,
+            shops: list[Shop],
+            fuel_price: float
+    ) -> (Shop, float):
+        trips_cost = []
+        for shop in shops:
+            trip_cost = self.trip_cost(shop, fuel_price)
+            print(f"{self.name}'s trip to the {shop.name} costs {trip_cost}")
+            trips_cost.append(trip_cost)
+        cheapest_trip_index = trips_cost.index(min(trips_cost))
+        return shops[cheapest_trip_index], trips_cost[cheapest_trip_index]
+
+    def return_home(
+            self,
+            trip_cost: float,
+    ) -> None:
+        print(f"{self.name} rides home")
+        print(f"{self.name} now has "
+              f"{round(self.money - trip_cost, 2)} dollars\n")

app/main.py

@@ -1,3 +1,23 @@
-def shop_trip():
-    # write your code here
-    pass
+from json import load
+from app.customer import Customer
+from app.shop import Shop
+
+
+def shop_trip() -> None:
+    with open("config.json") as config:
+        data = load(config)
+
+    fuel_price = data["FUEL_PRICE"]
+
+    for customer in data["customers"]:
+        current_customer = Customer(*customer.values())
+        shops = [Shop(*shop.values()) for shop in data["shops"]]
+        shop, cheapest_trip = current_customer.cheapest_trip(shops, fuel_price)
+
+        if cheapest_trip > current_customer.money:
+            print(f"{current_customer.name} "
+                  f"doesn't have enough money to make a purchase in any shop")
+        else:
+            print(f"{current_customer.name} rides to {shop.name}\n")
+            shop.shopping(current_customer.name, current_customer.product_cart)
+            current_customer.return_home(cheapest_trip)

app/shop.py

@@ -0,0 +1,36 @@
+from __future__ import annotations
+from dataclasses import dataclass
+from datetime import datetime
+
+
+@dataclass
+class Shop:
+    name: str
+    location: list
+    products: dict
+
+    def products_cost(self, cart: dict) -> dict:
+        return {
+            product: cart[product] * self.products[product]
+            for product in cart
+        }
+
+    def shopping(self, customer_name: str, cart: dict) -> None:
+        print("Date: ", datetime.now().strftime("%d/%m/%Y %H:%M:%S"))
+        print(f"Thanks, {customer_name}, for your purchase!")
+        print("You have bought:")
+
+        products_cost = self.products_cost(cart)
+        for product in products_cost:
+            print(f"{cart[product]} {product}s for "
+                  f"{self.round_price(products_cost[product])} dollars")
+
+        print(f"Total cost is {sum(self.products_cost(cart).values())}"
+              f" dollars")
+        print("See you again!\n")
+
+    @staticmethod
+    def round_price(price: float) -> int | float:
+        if int(price) == price:
+            return int(price)
+        return price