使用python从嵌套的json中提取

import json

def extract_data(json_obj, key):
    if isinstance(json_obj, dict):
        for k, v in json_obj.items():
            if k == key:
                print(v)  # 或者将提取的数据存储到一个列表中
            elif isinstance(v, (dict, list)):
                extract_data(v, key)
    elif isinstance(json_obj, list):
        for item in json_obj:
            extract_data(item, key)

# 示例JSON数据
json_data = '''
{
    "name": "John",
    "age": 30,
    "address": {
        "street": "123 Street",
        "city": "New York"
    },
    "friends": [
        {
            "name": "Alice",
            "age": 25
        },
        {
            "name": "Bob",
            "age": 35
        }
    ]
}
'''

# 解析JSON数据
data = json.loads(json_data)

# 提取数据
extract_data(data, "name")