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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 get_key(self, section, key):
 """ Gets key value from settings file. :param section: Current section to retrieve key from. :type section: unicode :param key: Current key to retrieve. :type key: unicode :return: Current key value. :rtype: object """


        LOGGER.debug("> Retrieving '{0}' in '{1}' section.".format(key, section))

        self.__settings.beginGroup(section)
        value = self.__settings.value(key)
        LOGGER.debug("> Key value: '{0}'.".format(value))
        self.__settings.endGroup()

        return value