𓆩 𝐁𝐋 𓆪

import requests

def get_sec_uid(username):
    url = f"https://www.tiktok.com/@{username}"
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
    }
    response = requests.get(url, headers=headers)

    try:
        sec = response.text.find('secUid":"')
        if sec != -1:
            sex_fi = sec + len('secUid":"')
            sex_en = response.text.find('"', sex_fi)
            sec_uid = response.text[sex_fi:sex_en]
            return sec_uid
        else:
            return "bad"
    except:
        return "user not find"

    return None

print(get_sec_uid(username= input("username : ") ))