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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_changeform_initial_data(self, request):
 """ Provide initial datas when creating an entry. """

        get_data = super(EntryAdmin, self).get_changeform_initial_data(request)
        return get_data or {
            'sites': [Site.objects.get_current().pk],
            'authors': [request.user.pk]
        }