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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:
 """Add alternative names to you custom commands. `names` is a single string with a space separated list of aliases for the decorated command. """

    names_split = names.split()

    def decorator(func: Callable[..., Any]) -> Callable[..., Any]:
        func.alt_names = names_split  # type: ignore
        return func
    return decorator