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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_limit(self, criticity, stat_name=""):
 """Return the limit value for the alert."""

        # Get the limit for stat + header
        # Exemple: network_wlan0_rx_careful
        try:
            limit = self._limits[stat_name + '_' + criticity]
        except KeyError:
            # Try fallback to plugin default limit
            # Exemple: network_careful
            limit = self._limits[self.plugin_name + '_' + criticity]

        # logger.debug("{} {} value is {}".format(stat_name, criticity, limit))

        # Return the limiter
        return limit