class Person:
def __init__(self, name, age):
self.name = name
self.age = age
def say_hello(self):
print(f"Hello, my name is {self.name}.")
class Employee(Person):
def __init__(self, name, age, employee_id):
super().__init__(name, age)
self.employee_id = employee_id
def say_employee_id(self):
print(f"My name is {self.name}.")
print(f"I am {self.age} years old.")
print(f"My employee ID is {self.employee_id}.")
person = Person("john",30)
person.say_hello()
# person.say_hello()の出力結果
# -> Hello, my name is john.
emp = Employee("john",30,1344)
emp.say_employee_id()
# emp.say_employee_id()の出力結果
# -> My name is john.
# -> I am 30 years old.
# -> My employee ID is 1344.