Jassif Team Institution

class Outer:
  def __init__(self):
    self.name = "Outer Class"

  class Inner:
    def __init__(self):
      self.name = "Inner Class"

    def display(self):
      print("This is the inner class")

outer = Outer()
print(outer.name)

class Outer:
  def __init__(self):
    self.name = "Outer"

  class Inner:
    def __init__(self):
      self.name = "Inner"

    def display(self):
      print("Hello from inner class")

outer = Outer()
inner = outer.Inner()
inner.display()

class Outer:
  def __init__(self):
    self.name = "Emil"

  class Inner:
    def __init__(self, outer):
      self.outer = outer

    def display(self):
      print(f"Outer class name: {self.outer.name}")

outer = Outer()
inner = outer.Inner(outer)
inner.display()

class Car:
  def __init__(self, brand, model):
    self.brand = brand
    self.model = model
    self.engine = self.Engine()

  class Engine:
    def __init__(self):
      self.status = "Off"

    def start(self):
      self.status = "Running"
      print("Engine started")

    def stop(self):
      self.status = "Off"
      print("Engine stopped")

  def drive(self):
    if self.engine.status == "Running":
      print(f"Driving the {self.brand} {self.model}")
    else:
      print("Start the engine first!")

car = Car("Toyota", "Corolla")
car.drive()
car.engine.start()
car.drive()

class Computer:
  def __init__(self):
    self.cpu = self.CPU()
    self.ram = self.RAM()

  class CPU:
    def process(self):
      print("Processing data...")

  class RAM:
    def store(self):
      print("Storing data...")

computer = Computer()
computer.cpu.process()
computer.ram.store()

class University:
  def __init__(self, name):
    self.name = name
    self.departments = []

  class Department:
    def __init__(self, dept_name):
      self.dept_name = dept_name
      self.students = []

    def add_student(self, student_name):
      self.students.append(student_name)
      print(f"Added {student_name} to {self.dept_name}")

uni = University("ABC University")
cs_dept = uni.Department("Computer Science")
cs_dept.add_student("John")
cs_dept.add_student("Jane")

class Hotel:
  def __init__(self, name):
    self.name = name

  class Room:
    def __init__(self, room_number, room_type):
      self.room_number = room_number
      self.room_type = room_type
      self.is_occupied = False

    def book(self):
      self.is_occupied = True
      print(f"Room {self.room_number} booked")

hotel = Hotel("Grand Plaza")
room101 = hotel.Room(101, "Suite")
room101.book()