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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 config(self, function):
 """ Decorator to add a function to the configuration of the Experiment. The decorated function is turned into a :class:`~sacred.config_scope.ConfigScope` and added to the Ingredient/Experiment. When the experiment is run, this function will also be executed and all json-serializable local variables inside it will end up as entries in the configuration of the experiment. """

        self.configurations.append(ConfigScope(function))
        return self.configurations[-1]