[Python] Why is multiprocessing module not producing the desired result?

import multiprocessing as mp
import os

def cube(num):
print(os.getpid())
print("Cube is {}".format(num*num*num))

def square(num):
print(os.getpid())
print("Square is {}".format(num*num))

if __name__ == "__main__":
p1 = mp.Process(target = cube, args = (3,))
p2 = mp.Process(target = square, args = (4,))
p1.start()
p2.start()
p1.join()
p2.join()
print("Done")




I was using the multiprocessing module, but I am not able to print any output from a function using that.

I even tried flushing the stdout using the sys module.

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