Show all possible magnitude relationships

mag.py

import itertools
from typing import Union

SYMBOLS: list[str] = ["p", "q", "r", "s"]

if __name__ == "__main__":
    for number_of_equals in range(0, len(SYMBOLS)):
        for equal_combination in map(
            lambda x: list(x), itertools.combinations(SYMBOLS, number_of_equals)
        ):
            remaining_symbols = [
                symbol for symbol in SYMBOLS if symbol not in equal_combination
            ]

            sort_equals = sorted(equal_combination)

            permutation_groups: list[Union[list[list[str]], list[str]]] = [
                sort_equals,
                remaining_symbols,
            ]

            if [] in permutation_groups:
                permutation_groups.remove([])

            for permutation in itertools.permutations(permutation_groups):
                print(permutation)