Use tqdm with a thread pool

threads_with_tqdm.py

from multiprocessing.dummy import Pool as ThreadPool
import time
import tqdm


def _square(number):
    time.sleep(.5)
    return number * number


numbers = list(range(0, 100))
number_of_threads = 14

with ThreadPool(number_of_threads) as pool:
    squared_numbers = list(tqdm.tqdm(pool.imap(_square, numbers), total=len(numbers)))
    
print(squared_numbers)