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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 _get_gl_class_type(obj_class):
 """ Internal util to get the type of the GLC class. The pickle file stores this name so that it knows how to construct the object on unpickling. Parameters obj_class : Class which has to be categorized. Returns A class type for the pickle file to save. """


    if obj_class == _SFrame:
        return "SFrame"
    elif obj_class == _SGraph:
        return "SGraph"
    elif obj_class == _SArray:
        return "SArray"
    elif _is_not_pickle_safe_gl_model_class(obj_class):
        return "Model"
    else:
        return None