import time
from multiprocessing import Pool, Value

x = Value('i', 0)
y = Value('i', 0)

def a():
    global x
    while True:
        time.sleep(.5)
        with x.get_lock():
            x.value += 1
            print("x = {}".format(x.value))

def b():
    global x, y
    with y.get_lock():
        y.value = x.value
        y.value += 1
    print("y = {}".format(y.value))

if __name__ == "__main__":
    pool = Pool(processes=2)

    translate_result = ""

    pool.apply_async(a)

    while True:
        time.sleep(2)
        pool.apply_async(b)