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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 keytype_path_to(args, keytype):
 """ Get the local filename for a keyring type """

    if keytype == "admin":
        return '{cluster}.client.admin.keyring'.format(
            cluster=args.cluster)
    if keytype == "mon":
        return '{cluster}.mon.keyring'.format(
            cluster=args.cluster)
    return '{cluster}.bootstrap-{what}.keyring'.format(
            cluster=args.cluster,
            what=keytype)