pytest_small_examplel.py

from typing import List, Optional

import requests


def explode_and_filter_by_threshold(value: str, threshold: int) -> List[int]:
    """
    Params:
    - value     : a string of numbers separated by comma
    - threshold : numerical threshold

    returns an array of all values > threshold
    """
    values = map(lambda x: int(x), value.split(","))
    return list(filter(lambda x: x >= threshold, values))


def http_request() -> Optional[str]:
    """
    Executes an Http GET request to example.com
    If response code is any other than 200 - it returns None.
    """
    result = requests.get(
        "https://example.com"
    )
    if result.status_code != 200:
        return None
    return result.text