KM_LC_Title.py

#!/opt/bin/python3

# pip install markdownify

import os
import requests

question_id = os.environ.get('KMVAR_LeetCodeID', 'add-two-numbers').strip()

cookies={
    "LEETCODE_SESSION": ''
}

def get_csrf_cookie() -> str:
    response = requests.get(
        "https://leetcode.com/",
        cookies=cookies,
    )

    return response.cookies["csrftoken"]

HEADERS = {
    'x-csrftoken': get_csrf_cookie(),
}

def get_leetcode_question_title(title_slug: str):
    query = '''query questionData($titleSlug: String!) {
      question(titleSlug: $titleSlug) {
        questionId
        questionFrontendId
        translatedTitle
        __typename
      }
    }
    '''

    request_body = {
        'operationName': "questionData",
        'query': query,
        'variables': {
            'titleSlug': title_slug,
        }
    }


    response = requests.post('https://leetcode-cn.com/graphql/', headers=HEADERS, cookies=cookies, json=request_body)

    return response.json()['data']['question']['translatedTitle']

print(get_leetcode_question_title(question_id).strip())