Python Class Inheritance: How to initialize a subclass with values not in the parent class

Create a custom initializer on the sub-class and then call the parent class's initializer via super:

class Person(Entity):
    def __init__(self, state, name, age, gender):
        self.gender = gender
        super(Person, self).__init__(state, name, age)

Transitionally, it looks like versions of Py 3.x (not sure which ones) allow this terse version of super():

def __init__(self, state, name, age, gender):
        self.gender = gender
        # Prototype initialization 3.x:
        super().__init__(state, name, age)

Been experimenting with SQLAlchemy models using dataclasses, so when I zipped on by looking at all things Python inheritance, I felt this might extend the answer:

from dataclasses import dataclass

@dataclass
class Entity():
    state: str
    name: str
    age: int

@dataclass
class Person(Entity):
    gender: str

    def describe(self):
        print("State: {state}, Name: {name}, Age: {age}, Gender: {gender}"
            .format(state=self.state, name=self.name, age=self.age, gender=self.gender))

man = Person("human", "humanname", 21, "cisgendered")

man.describe()