inheritance.py

class Parent:
    def __init__(self, first_name: str, last_name: str):
        self.first_name = first_name
        self.last_name = last_name

    def get_name(self) -> str:
        return f"{self.first_name} {self.last_name}"


class Child(Parent):
    def __init__(self, first_name: str, last_name: str):
        super().__init__(first_name, last_name)
        self.previous_last_names = []

    def change_last_name(self, last_name) -> None:
        self.previous_last_names.append(self.last_name)
        self.last_name = last_name

    def get_full_name(self) -> str:
        suffix = ""
        if len(self.previous_last_names) > 0:
            suffix = f" (née {self.previous_last_names[0]})"
        return f"{self.first_name} {self.last_name}{suffix}"
    
person1 = Child("Elizaveta", "Alekseeva")
#first name is Elizaveta, last name is Alekseeva, no previous last names
print(person1.get_name())
#Elizaveta Alekseeva

print(person1.get_full_name())
#Elizaveta Alekseeva

person1.change_last_name("Tyurina")
#previous last name is now Alekseeva, current last name is Tyurina

print(person1.get_name())
#Elizaveta Tyurina

print(person1.get_full_name())
#Elizaveta Tyurina (née Alekseeva)

person2 = Parent("Elizaveta", "Alekseeva")
# first name is Elizaveta, last name is Alekseeva
print(person2.get_name())
#Elizaveta Alekseeva

print(person2.get_full_name())
# AttributeError: 'Parent' object has no attribute 'get_full_name'
person2.change_last_name("Tyurina")
# AttributeError: 'Parent' object has no attribute 'change_last_name'
print(person2.get_name())
#Elizaveta Alekseeva, because the last name was not changed
print(person2.get_full_name())
# AttributeError: 'Parent' object has no attribute 'get_full_name'