This python script will map a list (length 10 for 10 executor) and execute 10 concurrent processes using concurrent module

concurrent_test.py

import concurrent.futures


def test(li):
    # print('hello world')
    if li:
        print('hello world', li)


def run_all(li):
    with concurrent.futures.ThreadPoolExecutor(max_workers=10) as executor:
        executor.map(test, li)


li = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
run_all(li)

"""
# one possible output
hello world 1
hello world 2
hello world 3
hello world 4
hello world 6
hello world 7
hello world 5
hello world 9
hello world 10
hello world 8
"""