def METHOD_NAME(dummy):
    class StrValVisitor(Visitor):
        def visit_str(self, node):
            return node
    assert StrValVisitor().visit(dummy) == [
        'arg1',
        'arg3_1',
        'arg3_2',
        'arg5_v',
        'arg1',
        'arg3_1',
        'arg3_2',
        'arg5_v',
        'arg1',
        'arg3_1',
        'arg3_2',
        'arg5_v',
        'arg1',
        'arg3_1',
        'arg3_2',
        'arg5_v',
    ]