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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_translation_cache_key(translated_model, master_id, language_code):
 """ The low-level function to get the cache key for a translation. """

    # Always cache the entire object, as this already produces
    # a lot of queries. Don't go for caching individual fields.
    return 'parler.{0}.{1}.{2}.{3}'.format(translated_model._meta.app_label, translated_model.__name__, master_id, language_code)