def METHOD_NAME(parameters):
    """
    Creates a RAdam optimizer from the PyTorch `torch.optim` module using the input parameters.
    Args:
        parameters (dict): A dictionary containing the input parameters for the optimizer.
    Returns:
        optimizer (torch.optim.RAdam): A RAdam optimizer.
    """
    # Create the optimizer using the input parameters
    return RAdam(
        parameters["model_parameters"],
        lr=parameters.get("learning_rate"),
        betas=parameters["optimizer"].get("betas", (0.9, 0.999)),
        eps=parameters["optimizer"].get("eps", 1e-8),
        weight_decay=parameters["optimizer"].get("weight_decay", 3e-05),
        foreach=parameters["optimizer"].get("foreach", None),
    )