从object递归获取匹配键的值

def get_value(obj, target_key):
    if isinstance(obj, dict):
        for key, value in obj.items():
            if key == target_key:
                return value
            elif isinstance(value, dict) or isinstance(value, list):
                result = get_value(value, target_key)
                if result is not None:
                    return result
    elif isinstance(obj, list):
        for item in obj:
            result = get_value(item, target_key)
            if result is not None:
                return result

# 示例对象
data = {
    "key1": "value1",
    "key2": {
        "key3": "value2",
        "key4": {
            "key5": "value3"
        }
    },
    "key6": [
        {"key7": "value4"},
        {"key8": "value5"}
    ]
}

# 获取匹配键的值
target_key = "key7"
result = get_value(data, target_key)
print(result)