iicey

# -*- coding: utf-8 -*-
from concurrent.futures import ThreadPoolExecutor, ProcessPoolExecutor, as_completed
from loguru import logger


def run(number, string):
    logger.info(f"{number} - {string}")


args = [
    (1, 'a'),
    (2, 'b'),
    (3, 'c'),
]
with ThreadPoolExecutor(max_workers=8) as executor:
    # submit
    future_tasks = [executor.submit(run, number, string) for number, string in args]
    for f in as_completed(future_tasks):
        f.result()

    # submit
    future_tasks = {executor.submit(run, number, string): number for number, string in args}
    for f in as_completed(future_tasks):
        logger.info(future_tasks[f])
        f.result()

    # map
    results = executor.map(run, [number[0] for number in args], [string[1] for string in args])
    for result in results:
        ...