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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 cache_infos(self, queryset):
 """ Cache infos like the number of entries published and the last modification date for standardized access later. """

        self.cache = {}
        for item in queryset:
            self.cache[item.pk] = (item.count_entries_published,
                                   item.last_update)