Baby abbouncement

baby.py

#!/usr/bin/env python

from dataclasses import dataclass


@dataclass
class Baby:
    name: str
    birthday: str
    mother: str = "Mother's name"
    father: str = "Father's name"
    family_name: str = "Family name"

    @staticmethod
    def greeting():
        print("Hello World!")

    def get_fullname(self):
        return f"{self.name} {self.family_name}"

    def introduce(self):
        print(f"My name is {self.get_fullname()}. I was born on {self.birthday}.")


if __name__ == "__main__":
    newborn = Baby(
        name="Baby's name",
        birthday="01.01.2020"
    )
    newborn.greeting()
    newborn.introduce()

# Hello World!
# My name is [full name]. I was born on 01.01.2020.