python在json中搜索嵌套键值，并获取路径

def find_key_value_path(json_obj, target_key, target_value, path=None):
    if path is None:
        path = []

    if isinstance(json_obj, dict):
        for key, value in json_obj.items():
            new_path = path + [key]
            if key == target_key and value == target_value:
                return new_path
            result = find_key_value_path(value, target_key, target_value, new_path)
            if result:
                return result
    elif isinstance(json_obj, list):
        for index, item in enumerate(json_obj):
            new_path = path + [index]
            result = find_key_value_path(item, target_key, target_value, new_path)
            if result:
                return result

    return None

# 示例JSON数据
example_json = {
    "a": {
        "b": [
            {"c": 1},
            {"d": 2, "e": {"f": 3}}
        ]
    },
    "g": {"h": 4}
}

# 查找键值对 "f": 3 的路径
path = find_key_value_path(example_json, "f", 3)
print("路径:", path)  # 输出: 路径: ['a', 'b', 1, 'e', 'f']

path = find_key_value_path(example_json, "f", 3)
if path:
    print("找到路径:", path)
else:
    print("未找到目标键值对")