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

class EspressoBar(CoffeeShop):
    def __init__(self, name, serves_alcohol):
        super().__init__(name)
        self.serves_alcohol = serves_alcohol

# Create an instance of the EspressoBar class
my_espresso_bar = EspressoBar("Java Junction", False)

# Access and print attributes
print(my_espresso_bar.name)
print(my_espresso_bar.serves_alcohol)

class Animal:
    def __init__(self, species):
        self.species = species

class Bird(Animal):
    def __init__(self, species, wingspan):
        super().__init__(species)
        self.wingspan = wingspan

# Create an instance of the Bird class
my_bird = Bird("Eagle", 2.5)

# Access and print attributes
print(my_bird.species)
print(my_bird.wingspan)

class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age

class Student(Person):
    def __init__(self, name, age, student_id):
        super().__init__(name, age)
        self.student_id = student_id

# Create an instance of the Student class
my_student = Student("Alice", 20, "S12345")

# Access and print attributes
print(my_student.name)
print(my_student.age)
print(my_student.student_id)

class Vehicle:
    def __init__(self, brand):
        self.brand = brand

    def start_engine(self):
        print(f"The {self.brand} engine is starting")

class ElectricCar(Vehicle):
    def __init__(self, brand, battery_capacity):
        super().__init__(brand)
        self.battery_capacity = battery_capacity

    def start_engine(self):
        print(f"The electric car with {self.battery_capacity} kWh battery is starting")

# Create an instance of the ElectricCar class
my_electric_car = ElectricCar("Tesla", 75)

# Call the start_engine method
my_electric_car.start_engine()

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

    def display_info(self):
        print(f"I am a {self.name}")

class Square(Shape):
    def __init__(self, name, side_length):
        super().__init__(name)
        self.side_length = side_length

    def display_info(self):
        super().display_info()
        print(f"My side length is {self.side_length}")

# Create an instance of the Square class
my_square = Square("Square", 4)

# Call the display_info method
my_square.display_info()