sharedValue.py

from multiprocessing import Process, Value

def f(flag):
	i = 0
	while flag.value == 1:
		i+=1

	flag.value = i
	

if __name__ == '__main__':
	flag = Value("i", 1)

	p = Process(target=f, args=(flag,))
	p.start()
	input("Press enter to exit loop")
	flag.value = 0
	p.join()

	print(flag.value)