add packet

app/cinema/bar.py

@@ -0,0 +1,7 @@
+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 +1,22 @@
+from app.people.customer import Customer
+from app.people.cinema_staff import Cleaner
+
+
+class CinemaHall:
+    def __init__(self, hall_number: int) -> None:
+        self.number = hall_number
+
+    def movie_session(
+            self,
+            movie_name: str,
+            customers: 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)

app/people/cinema_staff.py

@@ -0,0 +1,6 @@
+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 +1,7 @@
+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}".')