from multiprocessing import Process, Manager, Value
from ctypes import c_char_p
import time

def work1(string):
    i = 2
    string.value = i
    #while True:
        #string.value = i
        #i = i + 1

def work2(string):
    while True:
        print(string.value)
        time.sleep(2)

if __name__ == '__main__':
    manager = Manager()
    string = manager.Value(int, 0);

    p1=Process(target=work1, args=(string,))
    p1.start()
    p1.join()

    p2=Process(target=work2, args=(string,))
    p2.start()
    p2.join()