"sol"

app/car.py

@@ -0,0 +1,4 @@
+class Car:
+    def __init__(self, brand: str, fuel_consumption: float) -> None:
+        self.brand = brand
+        self.fuel_consumption = fuel_consumption

app/customer.py

@@ -0,0 +1,45 @@
+import math
+from datetime import datetime
+from app.car import Car
+
+
+class Customer:
+    def __init__(
+            self, name: str, product_cart: dict,
+            location: list, money: float, car: Car
+    ) -> None:
+        self.name = name
+        self.product_cart = product_cart
+        self.location = location
+        self.money = money
+        self.car = car
+
+    def distance_to(self, shop_location: dict) -> float:
+        return math.dist(self.location, shop_location)
+
+    def travel_cost(self, distance: float, fuel_price: float) -> float:
+        return (distance * self.car.fuel_consumption / 100) * fuel_price
+
+    def purchase_cost(self, shop_products: dict) -> float:
+        total_cost = 0
+        for product, quantity in self.product_cart.items():
+            total_cost += shop_products[product] * quantity
+        return total_cost
+
+    def print_receipt(self, shop_name: str, shop_products: dict) -> None:
+
+        datetime_str = datetime(
+            2021, 4, 1, 12, 33, 41
+        ).strftime("%m/%d/%Y %H:%M:%S")
+
+        print(f"Date: {datetime_str}\n"
+              f"Thanks, {self.name}, for your purchase!\n"
+              f"You have bought:")
+        total_cost = 0
+        for product, quantity in self.product_cart.items():
+            cost = shop_products.get(product, 0) * quantity
+            total_cost += cost
+            formatted_cost = f"{cost: .2f}".rstrip("0").rstrip(".")
+            print(f"{quantity} {product}s for{formatted_cost} dollars")
+        print(f"Total cost is {total_cost} dollars\n"
+              f"See you again!\n")

app/main.py

@@ -1,3 +1,54 @@
-def shop_trip():
-    # write your code here
-    pass
+import json
+from app.car import Car
+from app.customer import Customer
+from app.shop import Shop
+
+
+def shop_trip() -> None:
+    with open("app/config.json") as file:
+        config = json.load(file)
+
+    fuel_price = config["FUEL_PRICE"]
+
+    for config_customer in config["customers"]:
+        customers = [
+            Customer(
+                config_customer["name"],
+                config_customer["product_cart"],
+                config_customer["location"],
+                config_customer["money"],
+                Car(**config_customer["car"])
+            )
+            for config_customer in config["customers"]
+        ]
+
+    shops = [Shop(**config_shop) for config_shop in config["shops"]]
+    for customer in customers:
+        print(f"{customer.name} has {customer.money} dollars")
+        trips = []
+
+        for shop in shops:
+            distance_to_shop = customer.distance_to(shop.location)
+            cost_to_shop = customer.travel_cost(distance_to_shop, fuel_price)
+            purchase_cost = customer.purchase_cost(shop.products)
+            total_trip_cost = 2 * cost_to_shop + purchase_cost
+            trips.append((total_trip_cost, shop))
+
+            print(f"{customer.name}'s trip to the {shop.name} "
+                  f"costs{total_trip_cost: .2f}")
+
+        trips.sort(key=lambda x: x[0])
+        cheapest_trip = trips[0]
+        total_cost, chosen_shop = cheapest_trip
+
+        if total_cost <= customer.money:
+            print(f"{customer.name} rides to {chosen_shop.name}\n")
+            customer.location = chosen_shop.location
+            customer.print_receipt(chosen_shop.name, chosen_shop.products)
+            customer.location = [0, 0]
+            customer.money -= total_cost
+            print(f"{customer.name} rides home\n"
+                  f"{customer.name} now has{customer.money: .2f} dollars\n")
+
+    print(f"{customer.name} doesn't have enough money "
+          f"to make a purchase in any shop")

app/shop.py

@@ -0,0 +1,5 @@
+class Shop:
+    def __init__(self, name: str, location: list, products: dict) -> None:
+        self.name = name
+        self.location = location
+        self.products = products