Django Serializer 如何在序列化程序中遍历字典值和 return

Django Serializer How to loop over dictionary value and return in serializer

我在列表中有以下字典

self.passengers = [{'first_name':'Harry','last_name':'kane'},{'first_name':'cristiano','last_name':'aviero'}

我已将我的序列化器设置如下

class PassengerSerializer(serializers.Serializer):
    first_name = serializers.CharField()
    last_name = serializers.CharField()


class TicketDetailSerializer(serializers.Serializer):
    passenger = PassengerDetailSerializer(many=True)

我已将我的代码设置如下以提取乘客数据

'passenger': [{
               'last_name': [passenger['last_name'] for passenger in self.passengers],
                'first_name': [passenger['first_name'] for passenger in self.passengers]
                }],

但我只得到名字 ->'harry' 和姓氏-> kane 接下来我该怎么做才能得到名字和姓氏的所有字典是 self.passengers? 我得到的输出为:

"passenger": [
        {
            "lastname": "['kane', 'aviero']",
            "firstname": "['harry', 'cristiano']"
        }
    ]

我想要输出为

"passenger": [
            {
                "lastname": "kane",
                "firstname": "harry"
            },
            {
                "lastname": "aviero",
                "firstname": "cristiano"
            }
        ]
'passenger': [{
               'last_name': passenger['last_name'],
                'first_name': passenger['first_name']
              } for passenger in self.passengers ]