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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_for_pages(*args):
 """ Create a select list containing each of the models that subclass the ``Page`` model. """

    from warnings import warn
    warn("template tag models_for_pages is deprectaed, use "
        "PageAdmin.get_content_models instead")
    from yacms.pages.admin import PageAdmin
    return PageAdmin.get_content_models()