def proj_list(args):
    '''Retrieve the list of billing projects accessible to the caller/user, and
       show the level of access granted for each (e.g. Owner, User, ...)'''
    projects = fapi.list_billing_projects()
    fapi._check_response_code(projects, 200)
    projects = sorted(projects.json(), key=lambda d: d['projectName'])
    l = map(lambda p: '{0}\t{1}'.format(p['projectName'], p['role']), projects)
    # FIXME: add username col to output, for when iterating over multiple users
    return ["Project\tRole"] + l
Retrieve the list of billing projects accessible to the caller/user, and
       show the level of access granted for each (e.g. Owner, User, ...)