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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 present(name, password, permission):
    '''
    Ensure the user exists on the Dell DRAC

    name:
        The users username

    password
        The password used to authenticate

    permission
        The permissions that should be assigned to a user
    '''
    ret = {'name': name,
           'result': True,
           'changes': {},
           'comment': ''}

    users = __salt__['drac.list_users']()

    if __opts__['test']:
        if name in users:
            ret['comment'] = '`{0}` already exists'.format(name)
        else:
            ret['comment'] = '`{0}` will be created'.format(name)
            ret['changes'] = {name: 'will be created'}

        return ret

    if name in users:
        ret['comment'] = '`{0}` already exists'.format(name)
    else:
        if __salt__['drac.create_user'](name, password, permission, users):
            ret['comment'] = '`{0}` user created'.format(name)
            ret['changes'] = {name: 'new user created'}
        else:
            ret['comment'] = 'Unable to create user'
            ret['result'] = False

    return ret