and help set to a string 'Tells Django to use specified test runner class instead of the one specified by the TEST_RUNNER setting.'. call the method parser.add_argument with 5 arguments: string '--liveserver', action set to string 'store', dest set to 'liveserver',
parser . add_argument ( '--liveserver' , action = 'store' , dest = 'liveserver' , default = None , help = 'Overrides the default address where the live server (used ' 'with LiveServerTestCase) is expected to run from. The ' 'default value is localhost:8081.' ) ,