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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 settings(self):
 """Returns a copy of current settings. As some of the attributes are themselves containers, we clone the settings to provide clones for those containers as well. """

        # Shallow copy first
        cloned_setting = self._settings.copy()
        # Don't want clone to link to same RT containers
        cloned_setting[IMPORT_RTS] = self.import_rts
        cloned_setting[EXPORT_RTS] = self.export_rts
        cloned_setting[SITE_OF_ORIGINS] = self.soo_list
        return cloned_setting