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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _should_fuzz_node(self, fuzz_node, stage):
        '''
        The matching stage is either the name of the last node, or ClientFuzzer.STAGE_ANY.

        :return: True if we are in the correct model node
        '''
        if stage == ClientFuzzer.STAGE_ANY:
            return True
        if fuzz_node.name.lower() == stage.lower():
            if self._index_in_path == len(self._fuzz_path) - 1:
                return True
        else:
            return False