fork_zombie_main.py

import os, time, subprocess

def hijo():
    print("soy el hijo")
    time.sleep(1)
    os._exit(0)


def main():
    ret=os.fork()

    if ret==0:
        hijo()

    print("soy el padre")

    #hacerlo primero con ps solo, para ver el defunct
    print(subprocess.check_output(["ps", "fax"], universal_newlines=True))
    time.sleep(2)
    print("_________________________________________________________________")
    print(subprocess.check_output(["ps", "fax"], universal_newlines=True))
    os.wait()
    print("=================================================================")
    print(subprocess.check_output(["ps", "fax"], universal_newlines=True))


if __name__ == "__main__":
    main()

# https://tmate.io/t/ro-wiQTQ107mJbCWajwnEWDB2nkk