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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 getNode(self, address):
 """ Get Node by Address of existing nodes. """

        try:
            for node in self.config['nodes']:
                if node['address'] == address:
                    return node
            return False
        except KeyError:
            LOGGER.error('Usually means we have not received the config yet.', exc_info=True)
            return False