python爬取百度长腿妹子图片，新手，不足的地方请多指教

import requests

url = "https://image.baidu.com/search/acjson?"
header = {
    "User-Agent": "Mozilla/5.0(Windows NT 10.0; Win64; x64)AppleWebKit/537.36(KHTML, like Gecko)Chrome/90.0.4421.5Safari/537.36"
}
n=1
for s in range(10, 20):
    param = {
        "tn":"resultjson_com",
        "logid":"7895948621809160179",
        "ipn":"rj",
        "ct":"201326592",
        "is":"",
        "fp":"result",
        "queryWord":"长腿",
        "cl":"2",
        "lm":"-1",
        "ie":"utf-8",
        "oe":"utf-8",
        "adpicid":"",
        "st":"",
        "z":"",
        "ic":"",
        "hd":"",
        "latest":"",
        "copyright":"",
        "word":"长腿",
        "s":"",
        "se":"",
        "tab":"",
        "width":"",
        "height":"",
        "face":"",
        "istype":"",
        "qc":"",
        "nc":"1",
        "fr":"",
        "expermode":"",
        "force":"",
        "pn":s, #页数
        "rn":"30",
        "gsm":"3c",
        "1615535708375":"",
    }
    cookies = dict(cookies_are="working")
    res  =requests.get(url=url, headers=header, cookies=cookies, params=param)

    res.encoding = 'utf-8'
    text = res.json()

    for i in text['data']:
        if len(i) != 0:
            r = requests.get(url=i['thumbURL'])
            with open("./baiduimgs/" + str(n) + ".jpg", "wb") as code:
                code.write(r.content)
                print(str(n) + "下载完毕!")
                n+=1