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main.py

from __future__ import annotations

from typing import TypeVar
    
T = TypeVar("T", bound=str | int)
VALUES: dict[str, str] = {"SIZE": "100", "ADDR": "0x100", "NAME": "potato"}

def get_parameter(parameter: str, _rtype: type[T]) -> T:
    """Get the parameter"""
    if parameter.startswith("N"):
        return int(VALUES[parameter], 0)
    return VALUES[parameter]