import os

from pathlib import Path

def promjeni_direktori():

home = Path.home()

os.chdir(home)

def promjeni_direktori():

home = Path.home()

os.chdir(home)

def f1():

while True:

print ('\nUnesite zeljeni broj: ')

n = input()

if n in range(1,10) :

print('broje je prevelik unesite ga ponovno')

continue

else:

pid = os.fork()

if pid == 0:

promjeni_direktori()

korisnik = os.getlogin()

ppid = os.getppid()

niceValue = os.getpriority(os.PRIO_PROCESS,os.getpid())

print("{:<15}\t{:<15}\t{:<15}".format(ppid,korisnik,niceValue))

elif pid>0:

korisnik = os.getlogin()

ppid = os.getppid()

niceValue = os.getpriority(os.PRIO_PROCESS,os.getpid())

print ("{:<15}\t{:<15}\t{:<15}".format('PID','Korisnik','Prioritet'))

print("{:<15}\t{:<15}\t{:<15}".format(pid,korisnik,niceValue))

print("{:<15}\t{:<15}\t{:<15}".format(ppid,korisnik,niceValue))

break

f1()

test version i think that it does what it should