从嵌套的复杂对象中获取特定对象

def get_object_from_nested(obj, target_key):
    if isinstance(obj, dict):
        if target_key in obj:
            return obj[target_key]
        else:
            for value in obj.values():
                result = get_object_from_nested(value, target_key)
                if result is not None:
                    return result
    elif isinstance(obj, list):
        for item in obj:
            result = get_object_from_nested(item, target_key)
            if result is not None:
                return result
    return None

# 示例嵌套对象
nested_obj = {
    'key1': 'value1',
    'key2': {
        'key3': 'value3',
        'key4': [
            {'key5': 'value5'},
            {'key6': 'value6'}
        ]
    }
}

# 获取特定对象
target_key = 'key6'
result = get_object_from_nested(nested_obj, target_key)
print(result)  # 输出：{'key6': 'value6'}