nested-polymorphism-virtual-py

virtual.py

class BlackjackDealer:

    def draw(self):
        return "🃏"


class Cartoonist:

    def draw(self):
        return "🖼️"


if __name__ == '__main__':
    from sys import argv
    print(globals()[argv[1]]().draw())

virtual_sample.sh

$ python3 virtual.py BlackjackDealer
🃏

$ python3 virtual.py Cartoonist
🖼️