import multiprocessing

res = []

def calculation(numbers):
    print("here")
    global res
    for n in numbers:
        res.append(n*n)
    print("inside the process"+str(res))


if __name__ == "___main__":
    nums = [1,2,3]
    print("dsafa")
    p1 = mutltiprocessing.Process(target=calcultation, args=(nums,))
    p1.start()
    p1.join()
    
    print("outside"+str(res))