raeq

from functools import singledispatchmethod


class Dog:

    @singledispatchmethod
    def bark(self, quality):
        raise NotImplementedError

    @bark.register

raeq

from functools import singledispatch


@singledispatch
def fancy_print(s):
    raise NotImplementedError


@fancy_print.register(int)
def _ints(s):

raeq

from functools import singledispatch


@singledispatch
def fancy_print(s):
    raise NotImplementedError


@fancy_print.register(int)
def _ints(s):

raeq

from functools import singledispatch
@singledispatch
def area(any_object):
    raise NotImplementedError


@area.register
def _(any_object: Circle):
    return math.pi * (math.pow(any_object.radius, 2))

raeq

import math
from functools import singledispatch


class Square:
    length: int

    def __init__(self, length=0):
        self.length = length

raeq

from functools import singledispatch
@singledispatch
def area(any_object):
    raise NotImplementedError


@area.register(Circle)
def _(any_object):
    return math.pi * (math.pow(any_object.radius, 2))

raeq

import math


class Square:
    length: int

    def __init__(self, length=0):
        self.length = length

raeq

my_circle = Circle(6)
my_square = Square(12)

print(area(my_circle))
print(area(my_square))

raeq

def area(any_object):
    if isinstance(any_object, Circle):
        return math.pi * (math.pow(any_object.radius, 2))

    elif isinstance(any_object, Square):
        return (math.pow(any_object.length, 2))

raeq

import math


class Square:
    length: int

    def __init__(self, length=0):
        self.length = length