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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 load_default_tc_plugins(self):
 """ Load default test case level plugins from icetea_lib.Plugin.plugins.default_plugins. :return: Nothing """

        for plugin_name, plugin_class in default_plugins.items():
            if issubclass(plugin_class, PluginBase):
                try:
                    self.register_tc_plugins(plugin_name, plugin_class())
                except PluginException as error:
                    self.logger.debug(error)
                    continue