Python 'list' vs 'class' comparison

actions.py

"""
    List of actions:

        do_help
        do_about
"""

# standard library imports
import re

# local imports
import utils


def do_help(msg=None):

    if msg is None:
        return \
            """
                Showing general help.

                List of commands:
                    :help, :about, :inbox, :link, :log, :masters, :paste, :whatdidimiss, :resource, :submit

                For help on a command, type:
                    :help [command]

                E.g :help paste

            """

    elif utils.is_valid_cmd(msg):

        return 'Showing help for command: <:{cmd}>'.format(cmd=msg)

    else:

        return "No help for {cmd}. Type ':help' for list of commands.".format(cmd=msg)


def do_about(msg):

    pass

commands.py

# local imports
import actions

cmds = {
    'help' : Command(cmd='help', action=actions.do_help,
        help=
            """
                Usage:\t:help [<command>]
            """
        ),
    'about' : (actions.do_about, "some help text", ),
}


class Command(object):

    def __init__(self, cmd, action, help_text):

        self.cmd = cmd
        self.action = action
        self.help_text = help_text


    def get_help(self):

        return self.help_text



    def get_action(self):

        return self.action