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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 make_mine(self, request, queryset):
 """ Set the entries to the current user. """

        author = Author.objects.get(pk=request.user.pk)
        for entry in queryset:
            if author not in entry.authors.all():
                entry.authors.add(author)
        self.message_user(
            request, _('The selected entries now belong to you.'))