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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_thresholds(self):
 """ Get the warning and critical thresholds for this Limit. Return type is a 4-tuple of: 1. warning integer (usage) threshold, or None 2. warning percent threshold 3. critical integer (usage) threshold, or None 4. critical percent threshold :rtype: tuple """

        t = (
            self.warn_count,
            self.warn_percent or self.def_warning_threshold,
            self.crit_count,
            self.crit_percent or self.def_critical_threshold,
        )
        return t