pytest - fixture --- automatic application

pytest Import 
@ pytest.fixture (autouse = True) ----- plus auto = True, each method are performed before the automatic landing 
DEF login_r (open_browser): 
    Print ( 'login') 

@ pytest.fixture () 
DEF open_browser (): 
    Print ( 'open your browser') 

DEF test_soso (): 
    Print ( 'Case3') 

# @ pytest.mark.usefixtures ( 'lgoin_r') 
DEF test_cart (): 
    Print ( 'Case 4') 

IF __name__ == ' __main__ ': 
    pytest.main ()

Open a browser
landing
PASSED [50%] case3

pytest_twofixture.py::test_cart open the browser
landing
PASSED [100%] case4