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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 _models_generator():
 """ Build a hash of model verbose names to models """


    for app in apps.get_app_configs():
        for model in app.get_models():
            yield (str(model._meta.verbose_name).lower(), model)
            yield (str(model._meta.verbose_name_plural).lower(), model)