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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_option(self, option):
 """ Get a configuration option, trying the options attribute first and falling back to a Django project setting. """

        value = getattr(self, option, None)
        if value is not None:
            return value
        return getattr(settings, "COUNTRIES_{0}".format(option.upper()))