x = "error"

def test(x):
    class Test(object):
        x = x
    print "x:", x
    print "Test.x:", Test.x
    
    class Test2(object):
        y = x
    print "Test2.y:", Test2.y
    
    class Test3(object):
        y = x
        x = x
    print "Test3.x:", Test3.x
    print "Test3.y:", Test3.y
    
    class Test4(object):
        pass
    Test4.x = x
    print "Test4.x:", Test4.x
    
test("success")