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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 do_state(args):
 """Runs the batch list or batch show command, printing output to the console Args: args: The parsed arguments sent to the command at runtime """

    rest_client = RestClient(args.url, args.user)

    if args.subcommand == 'list':
        response = rest_client.list_state(args.subtree, args.head)
        leaves = response['data']
        head = response['head']
        keys = ('address', 'size', 'data')
        headers = tuple(k.upper() for k in keys)

        def parse_leaf_row(leaf, decode=True):
            decoded = b64decode(leaf['data'])
            return (
                leaf['address'],
                len(decoded),
                str(decoded) if decode else leaf['data'])

        if args.format == 'default':
            fmt.print_terminal_table(headers, leaves, parse_leaf_row)
            print('HEAD BLOCK: "{}"'.format(head))

        elif args.format == 'csv':
            fmt.print_csv(headers, leaves, parse_leaf_row)
            print('(data for head block: "{}")'.format(head))

        elif args.format == 'json' or args.format == 'yaml':
            state_data = {
                'head': head,
                'data': [{k: d for k, d in zip(keys, parse_leaf_row(l, False))}
                         for l in leaves]}

            if args.format == 'yaml':
                fmt.print_yaml(state_data)
            elif args.format == 'json':
                fmt.print_json(state_data)
            else:
                raise AssertionError('Missing handler: {}'.format(args.format))

        else:
            raise AssertionError('Missing handler: {}'.format(args.format))

    if args.subcommand == 'show':
        output = rest_client.get_leaf(args.address, args.head)
        if output is not None:
            print('DATA: "{}"'.format(b64decode(output['data'])))
            print('HEAD: "{}"'.format(output['head']))
        else:
            raise CliException('No data available at {}'.format(args.address))