Solution

app/cinema/bar.py

@@ -0,0 +1,23 @@
+class CinemaBar:
+
+    @staticmethod
+    def sell_product(customer: "Customer", product: str) -> None:
+        print(f"Cinema bar sold {product} to {customer}.")
+
+
+class Customer:
+
+    def __init__(self, name: str, food: str) -> None:
+        self.name = name
+        self.food = food
+
+    def __str__(self) -> str:
+        return self.name
+
+    def watch_movie(self) -> None:
+        print(f"Customer {self.name} is watching a movie")
+
+
+cb = CinemaBar()
+customer = Customer("Bob", "popcorn")
+cb.sell_product(customer=customer, product=customer.food)

app/cinema/hall.py

@@ -0,0 +1,27 @@
+from app.cinema.bar import Customer
+
+
+class CinemaHall:
+
+    def __init__(self, number: int) -> None:
+        self.number: int = number
+
+    def movie_session(self,
+                      movie_name: str,
+                      customers: list["Customer"],
+                      cleaning_staff: "Cleaner"
+                      ) -> None:
+        print(f'"{movie_name}" started in hall number {self.number}.')
+        for customer in customers:
+            customer.watch_movie(movie_name)
+        print(f'"{movie_name}" ended.')
+        cleaning_staff.clean_hall(self.number)
+
+
+class Cleaner:
+
+    def __init__(self, name: str) -> None:
+        self.name = name
+
+    def clean_hall(self, number_hall: object) -> None:
+        print(f"Cleaner {self.name} is cleaning hall {number_hall}.")

app/main.py

@@ -1,6 +1,37 @@
-# write your imports here
+from app.cinema.bar import CinemaBar
+from app.cinema.hall import CinemaHall
+from app.people.cinema_staff import Cleaner
+from app.people.customer import Customer
+from typing import List, Dict
 
 
-def cinema_visit(customers: list, hall_number: int, cleaner: str, movie: str):
-    # write you code here
-    pass
+def cinema_visit(customers: List[Dict[str, str]],
+                 hall_number: int,
+                 cleaner: str,
+                 movie: str) -> None :
+    customer_objects = [Customer(name=c["name"], food=c["food"])
+                        for c in customers]
+
+    for customer in customer_objects:
+        CinemaBar.sell_product(product=customer.food, customer=customer)
+
+    cinema_hall = CinemaHall(hall_number)
+
+    cleaning_staff = Cleaner(name=cleaner)
+
+    cinema_hall.movie_session(movie_name=movie, customers=customer_objects,
+                              cleaning_staff=cleaning_staff)
+
+
+if __name__ == "__main__":
+    customers = [
+        {"name": "Bob", "food": "Coca-cola"},
+        {"name": "Alex", "food": "popcorn"}
+    ]
+    hall_number = 5
+    cleaner_name = "Anna"
+    movie = "Madagascar"
+    cinema_visit(customers=customers,
+                 hall_number=hall_number,
+                 cleaner=cleaner_name,
+                 movie=movie)

app/people/cinema_staff.py

@@ -0,0 +1,7 @@
+class Cleaner:
+
+    def __init__(self, name: str) -> None:
+        self.name = name
+
+    def clean_hall(self, hall_number: int) -> None:
+        print(f"Cleaner {self.name} is cleaning hall number {hall_number}.")

app/people/customer.py

@@ -0,0 +1,11 @@
+class Customer:
+
+    def __init__(self, name: str, food: str) -> None:
+        self.name = name
+        self.food = food
+
+    def __str__(self) -> str:
+        return self.name
+
+    def watch_movie(self, movie: str) -> None:
+        print(f'{self.name} is watching "{movie}".')