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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 add_to_loaded_modules(self, modules):
 """ Manually add in `modules` to be tracked by the module manager. `modules` may be a single object or an iterable. """

        modules = util.return_set(modules)
        for module in modules:
            if not isinstance(module, str):
                module = module.__name__
            self.loaded_modules.add(module)