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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_fieldsets_post_form_or_formset(self, request, form, obj=None):
 """ Generic get_fieldsets code, shared by TranslationAdmin and TranslationInlineModelAdmin. """

        base_fields = self.replace_orig_field(form.base_fields.keys())
        fields = base_fields + list(self.get_readonly_fields(request, obj))
        return [(None, {'fields': self.replace_orig_field(fields)})]