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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 _general_getattr(self, var):
 """Generic get attribute function."""

        if getattr(self, "_%s__%s" % (self.__class__.__name__, var)) is None \
           and not self.__loaded:
            self._load_properties()
        return getattr(self, "_%s__%s" % (self.__class__.__name__, var))