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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_func_args(func):
 """Given a callable, return a tuple of argument names. Handles `functools.partial` objects and class-based callables. .. versionchanged:: 3.0.0a1 Do not return bound arguments, eg. ``self``. """

    if isinstance(func, functools.partial):
        return _signature(func.func)
    if inspect.isfunction(func) or inspect.ismethod(func):
        return _signature(func)
    # Callable class
    return _signature(func.__call__)