map和filter函数

大概用法如下：

实际场景：

# 需求：Meet算法推荐中，18岁以下（含18岁）的用户不出现meet卡片中，注册新账号，看下user_meet表的status
from knight_util.MysqlUtil import MysqlPool
from knight_util.get_db_token import tk_
from knight_util.SendRequest import send_request
from tqdm import tqdm
mysql = MysqlPool()
tk = tk_(2397).get('EPAL_WEB')


def less_nineteen(num):
    """返回小于18的数据"""
    if num is None:
        pass
    else:
        return num < 18


def get_userid_age_dict():
    """获取用户id和年龄"""
    headers = {
        "_tk_": tk,
        "content-type": "application/json",
        "user-agent": "Mozilla / 5.0(Windows NT 10.0;Win64;x64)"
    }
    data = {"limit": 30, "likeUserIds": [], "dislikeUserIds": [], "excludeUserIds": []}
    url = "https://test-community.gamesegirl.com/user/meets/match/v-3.6"
    response = send_request(url, headers, data)
    # print(response)
    if response['status'] == 'OK':
        response_length = len(response['content']['data'])
        # 接口返回的user_id和age
        user_info = {}
        for i in range(response_length):
            user_info.update(
                {response['content']['data'][i]['userId']: response['content']['data'][i]['age']}
            )
        print(user_info)
        print(f"总共卡片数：{len(user_info.keys())}")
        null_value_list = [k for k, v in user_info.items() if v is None]
        print(null_value_list)
        # for k, v in user_info.items():
        #     if v is None:
        #         null_value_list.append(k)
        # print(null_value_list)
        # 小于18岁的年龄
        result = filter(less_nineteen, user_info.values())
        print(list(result))


if __name__ == '__main__':
    get_userid_age_dict()