QuestionSerializer with overridden create()

serializers.py

class QuestionSerializer(serializers.ModelSerializer):

    choice_set = ChoiceSerializer(many=True)
    
    class Meta:
        model = Question
        fields = '__all__'
        
    def create(self, validated_data):
        choice_validated_data = validated_data.pop('choice_set')
        question = Question.objects.create(**validated_data)
        choice_set_serializer = self.fields['choice_set']
        for each in choice_validated_data:
            each['question'] = question
        choices = choice_set_serializer.create(choice_validated_data)
        return question