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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 make(parser):
 """ Ceph MGR daemon management """

    mgr_parser = parser.add_subparsers(dest='subcommand')
    mgr_parser.required = True

    mgr_create = mgr_parser.add_parser(
        'create',
        help='Deploy Ceph MGR on remote host(s)'
    )
    mgr_create.add_argument(
        'mgr',
        metavar='HOST[:NAME]',
        nargs='+',
        type=colon_separated,
        help='host (and optionally the daemon name) to deploy on',
        )
    parser.set_defaults(
        func=mgr,
        )