Пример использования ThreadPoolExecutor
(доступно в python3)
from concurrent.futures import ThreadPoolExecutor
def method1(x,y):
calc = x*y
print(calc)
def method2(x,y):
calc = x+y
print(calc)
def method3(x,y):
calc = x-y
print(calc)
pool = ThreadPoolExecutor(max_workers=3)
x = 5
y = 6
pool.submit(method1, x, y)
pool.submit(method2, x, y)
pool.submit(method3, x, y)