Solution

app/car.py

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

app/customer.py

@@ -0,0 +1,17 @@
+from app.car import Car
+
+
+class Customer:
+    def __init__(
+            self,
+            name: str,
+            product_cart: dict,
+            location: list[int],
+            money: int,
+            car: Car
+    ) -> None:
+        self.name = name
+        self.product_cart = product_cart
+        self.location = location
+        self.money = money
+        self.car = car

app/main.py

@@ -1,3 +1,49 @@
-def shop_trip():
-    # write your code here
-    pass
+from app.transfer import transfer
+from math import hypot
+
+
+def shop_trip() -> None:
+    fuel_price, list_customers, list_shops = transfer()
+    for customer in list_customers:
+        shop_list = []
+        print(f"{customer.name} has {customer.money} dollars")
+        for shop in list_shops:
+            car_fuel_1km = customer.car.fuel / 100
+            loc1 = customer.location
+            loc2 = shop.location
+            dist = hypot(loc2[0] - loc1[0], loc2[1] - loc1[1])
+            cost_travel = round(dist * car_fuel_1km * fuel_price * 2, 2)
+            cost_products = sum(customer.product_cart[key] * shop.products[key]
+                                for key in shop.products)
+            costs = cost_products + cost_travel
+            print(f"{customer.name}'s trip to the {shop.name} costs {costs}")
+            shop_list.append((shop, costs))
+        customer_choice = min(shop_list, key=lambda x: x[1])
+        if customer.money < customer_choice[1]:
+            print(customer.name,
+                  "doesn't have enough money to make a purchase in any shop")
+            break
+        print(f"{customer.name} rides to {customer_choice[0].name}")
+        print()
+        print("Date: 04/01/2021 12:33:41")
+        print(f"Thanks, {customer.name}, for your purchase!")
+        print("You have bought:")
+        shop_choice = customer_choice[0].products
+        costs = 0
+        for key in customer.product_cart:
+            costs += (customer.product_cart[key] * shop_choice[key])
+            total = customer.product_cart[key] * shop_choice[key]
+            if total == int(total):
+                total = int(total)
+            print(f"{customer.product_cart[key]} {key}s for {total} dollars")
+        print(f"Total cost is {costs} dollars")
+        print("See you again!")
+        print()
+        print(f"{customer.name} rides home")
+        new_balance = customer.money - customer_choice[1]
+        print(f"""{customer.name} now has {new_balance} dollars""")
+        print()
+
+
+if __name__ == "__main__":
+    shop_trip()

app/shop.py

@@ -0,0 +1,9 @@
+class Shop:
+    def __init__(
+            self, name: str,
+            location: list[int],
+            products: dict
+    ) -> None:
+        self.name = name
+        self.location = location
+        self.products = products

app/transfer.py

@@ -0,0 +1,24 @@
+import json
+from app.customer import Customer
+from app.car import Car
+from app.shop import Shop
+
+
+def transfer() -> list:
+    with open("app/config.json") as file:
+        config = json.load(file)
+    fuel_price = config["FUEL_PRICE"]
+    list_customers = []
+    list_shops = []
+    for customer, shop in zip(config["customers"], config["shops"]):
+        list_customers.append(Customer(
+            customer["name"], customer["product_cart"],
+            customer["location"], customer["money"],
+            Car(customer["car"]["brand"], customer["car"]["fuel_consumption"])
+        ))
+        list_shops.append(Shop(
+            shop["name"],
+            shop["location"],
+            shop["products"]
+        ))
+    return [fuel_price, list_customers, list_shops]