python中sorted对字典进行排序

a = {
    "errorcode": "1000",
    "listFlightInfo": [
        {
            "airporttax": "2",
            "destcity": "PEK",
            "desttime": "09:20",
            "flightNo": "MU5099",
        },
        {
            "airporttax": "1",
            "destcity": "PEK",
            "desttime": "09:10",
            "flightNo": "MU5099",
        },
        {
            "airporttax": "3",
            "destcity": "PEK",
            "desttime": "10:20",
            "flightNo": "MU5099",
        },
    ]}

b = sorted(a['listFlightInfo'], key=lambda x: x['desttime'])  # 正序
c = sorted(a['listFlightInfo'], key=lambda x: x['desttime'], reverse=True)  # 倒序
a['listFlightInfo'] = b
print(a)
a['listFlightInfo'] = c
print(a)

输出：

{'errorcode': '1000', 'listFlightInfo': [{'airporttax': '1', 'destcity': 'PEK', 'desttime': '09:10', 'flightNo': 'MU5099'}, {'airporttax': '2', 'destcity': 'PEK', 'desttime': '09:20', 'flightNo': 'MU5099'}, {'airporttax': '3', 'destcity': 'PEK', 'desttime': '10:20', 'flightNo': 'MU5099'}]}
{'errorcode': '1000', 'listFlightInfo': [{'airporttax': '3', 'destcity': 'PEK', 'desttime': '10:20', 'flightNo': 'MU5099'}, {'airporttax': '2', 'destcity': 'PEK', 'desttime': '09:20', 'flightNo': 'MU5099'}, {'airporttax': '1', 'destcity': 'PEK', 'desttime': '09:10', 'flightNo': 'MU5099'}]}

Process finished with exit code 0

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