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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 all_languages_column(self, object):
 """ The language column which can be included in the ``list_display``. It also shows untranslated languages """

        all_languages = [code for code, __ in settings.LANGUAGES]
        return mark_safe(
            self._languages_column(
                object, all_languages, span_classes='all-languages'
            )
        )