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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 smart_content_type_for_model(model):
 """ Returns the Django ContentType for a given model. If model is a proxy model, the proxy model's ContentType will be returned. This differs from Django's standard behavior - the default behavior is to return the parent ContentType for proxy models. """

    try:
        # noinspection PyPackageRequirements,PyUnresolvedReferences
        from django.contrib.contenttypes.models import ContentType
    except ImportError:
        print("Django is required but cannot be imported.")
        raise

    if model._meta.proxy:
        return ContentType.objects.get(app_label=model._meta.app_label,
                                       model=model._meta.object_name.lower())
    else:
        return ContentType.objects.get_for_model(model)