made a solution

app/cinema/bar.py

@@ -0,0 +1,8 @@
+from app.people.customer import Customer
+
+
+class CinemaBar:
+    @staticmethod
+    def sell_product(product:str, customer:Customer) -> None:
+        print(f"Cinema bar sold {product} to {customer.name}.")
+

app/cinema/hall.py

@@ -0,0 +1,13 @@
+from app.people.cinema_staff import Cleaner
+from app.people.customer import Customer
+
+
+class CinemaHall:
+    def __init__(self, number:int):
+        self.number = 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(customer, movie_name)
+        print(f'"{movie_name}" ended.')
+        Cleaner.clean_hall(cleaning_staff, self.number)

app/main.py

@@ -1,6 +1,14 @@
-# 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
 
+def cinema_visit(customers: list[Customer], hall_number: int, cleaner: Cleaner, movie: str):
+    customer_objects = [Customer(c["name"], c["food"]) for c in customers]
+    cinema_hall = CinemaHall(hall_number)
+    cleaning_staff = Cleaner(cleaner)
 
-def cinema_visit(customers: list, hall_number: int, cleaner: str, movie: str):
-    # write you code here
-    pass
+    for customer in customer_objects:
+        CinemaBar.sell_product(customer.food, customer)
+
+    cinema_hall.movie_session(movie, customer_objects, cleaning_staff)

app/people/cinema_staff.py

@@ -0,0 +1,5 @@
+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 +1,6 @@
+class Customer:
+    def __init__(self, name:str, food:str) -> None:
+        self.name = name
+        self.food = food
+    def watch_movie(self, movie:str) -> None:
+        print(f'{self.name} is watching "{movie}".')