solution

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 +1,20 @@
+from app.car import Car
+
+
+class Customer:
+    def __init__(
+            self,
+            name: str,
+            product_cart: dict,
+            location: tuple,
+            money: float,
+            car: "Car"
+    ) -> None:
+        self.name = name
+        self.product_cart = product_cart
+        self.location = location
+        self.money = money
+        self.car = car
+
+    def move_to(self, location: tuple) -> None:
+        self.location = location

app/main.py

@@ -1,3 +1,73 @@
-def shop_trip():
-    # write your code here
-    pass
+import json
+from app.shop import Shop
+from app.customer import Customer
+from app.car import Car
+
+
+def shop_trip() -> None:
+    with open("app/config.json") as file:
+        config = json.load(file)
+
+    fuel_price = config["FUEL_PRICE"]
+    customers = []
+    shops = []
+
+    for shop_data in config["shops"]:
+        shops.append(Shop(**shop_data))
+
+    for customer_data in config["customers"]:
+        car = Car(**customer_data.pop("car"))
+        customers.append(Customer(**customer_data, car=car))
+
+    for customer in customers:
+        print(f"{customer.name} has {customer.money} dollars")
+        best_shop = None
+        best_cost = float("inf")
+
+        for shop in shops:
+            trip_cost, distance = shop.calculate_trip_cost(
+                customer.location,
+                fuel_price,
+                customer.car.fuel_consumption
+            )
+
+            product_cost, _ = shop.purchase(
+                customer.name, customer.product_cart
+            )
+            total_cost = trip_cost + product_cost
+
+            print(f"{customer.name}'s trip to "
+                  f"the {shop.name} costs {round(total_cost, 2)}")
+            if total_cost < best_cost and total_cost <= customer.money:
+                best_cost = total_cost
+                best_shop = shop
+
+        if best_shop:
+            trip_cost, _ = best_shop.calculate_trip_cost(
+                customer.location,
+                fuel_price,
+                customer.car.fuel_consumption
+            )
+            customer.money -= best_cost
+            customer.move_to(best_shop.location)
+
+            print(f"{customer.name} rides to {best_shop.name}\n")
+            product_cost, receipt = best_shop.purchase(
+                customer.name, customer.product_cart
+            )
+            print(receipt)
+
+            trip_home_cost, _ = best_shop.calculate_trip_cost(
+                customer.location,
+                fuel_price,
+                customer.car.fuel_consumption
+            )
+            original_location = customer.location
+            customer.money -= trip_home_cost
+            customer.move_to(original_location)
+
+            print(f"{customer.name} rides home")
+            print(f"{customer.name} now has {customer.money} dollars\n")
+        else:
+            print(f"{customer.name} doesn't have enough money"
+                  f" to make a purchase in any shop")

app/shop.py

@@ -0,0 +1,47 @@
+from math import sqrt
+from datetime import datetime
+
+
+class Shop:
+    def __init__(self, name: str, location: tuple, products: dict) -> None:
+        self.name = name
+        self.location = location
+        self.products = products
+
+    def calculate_trip_cost(
+            self,
+            customer_location: tuple,
+            fuel_price: float,
+            fuel_consumption: float
+    ) -> tuple:
+        distance = sqrt((self.location[0] - customer_location[0]) ** 2
+                        + (self.location[1] - customer_location[1]) ** 2)
+        return round(
+            distance * 2 * fuel_consumption / 100 * fuel_price, 2
+        ), distance
+
+    def purchase(self, customer_name: str, product_cart: dict) -> tuple:
+        total_cost = 0
+        specific_time = datetime.now()  # Get current time
+        receipt = [
+            f"Date: {specific_time.strftime("%m/%d/%Y %H:%M:%S")}",
+            f"Thanks, {customer_name}, for your purchase!",
+            "You have bought:"
+        ]
+
+        for product, quantity in product_cart.items():
+            if product in self.products:
+                cost = self.products[product] * quantity
+                formatted_cost = int(cost) \
+                    if cost.is_integer() \
+                    else round(cost, 1)
+                receipt.append(f"{quantity} {product}s "
+                               f"for {formatted_cost} dollars")
+                total_cost += cost
+
+        total_cost = int(total_cost) if total_cost.is_integer() \
+            else round(total_cost, 1)
+        receipt.append(f"Total cost is {total_cost} dollars")
+        receipt.append("See you again!\n")
+
+        return total_cost, "\n".join(receipt)