Constructor overloading in Python 3.8 and Afterwards

constructor_overloading.py

import functools


class Computer:
    @functools.singledispatchmethod
    def __init__(self, *parts):
        self.parts = " *** ".join(parts)

    @__init__.register
    def _(self, parts: dict):
        self.parts = parts.items()

    @__init__.register
    def _(self, parts: list):
        self.parts = " - ".join(parts)

    @__init__.register
    def _(self, parts: int):
        self.parts = parts

    def get_parts(self):
        return self.parts


pc1 = Computer("BIOS", "Power supply")
pc2 = Computer({"CPU": "3.0GHz", "RAM": "32GB"})
pc3 = Computer(["CPU", "RAM", "SSD"])
pc4 = Computer("Motherboard")
pc5 = Computer(99999)

print(pc1.get_parts())
print(pc2.get_parts())
print(pc3.get_parts())
print(pc4.get_parts())
print(pc5.get_parts())

An alternative approach: https://gist.github.com/adililhan/b7b050bf84357a5a529385c44921f8d3
Another alternative approach: https://gist.github.com/adililhan/d9afbb1ef518f6885c6485eb53037145