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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 to_grpc_address(target: str) -> str: """Converts a standard gRPC target to one that is supported by grpcio :param target: the server address. :returns: the converted address. """

    u = urlparse(target)
    if u.scheme == "dns":
        raise ValueError("dns:// not supported")

    if u.scheme == "unix":
        return "unix:"+u.path

    return u.netloc