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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_all(self, group):
 """ Loads all plugins advertising entry points with the given group name. The specified plugin needs to be a callable that accepts the everest configurator as single argument. """

        for ep in iter_entry_points(group=group):
            plugin = ep.load()
            plugin(self.__config)