python running multiple threads at the same time

1from threading import Thread
2from time import sleep
3# use Thread to run def in background
4# Example:
5def func1():
6    while True:
7        sleep(1)
8        print("Working")
9
10def func2():
11    while True:
12        sleep(2)
13        print("Working2")
14
15if __name__ == '__main__':
16    Thread(target = func1).start()
17    Thread(target = func2).start()

1import multiprocessing
2
3def worker(num):
4    """ Worker procedure
5    """
6    print('Worker:', str(num))
7
8# Mind the "if" instruction!
9if __name__ == '__main__':
10    jobs = [] # list of jobs
11    jobs_num = 5 # number of workers
12    for i in range(jobs_num):
13        # Declare a new process and pass arguments to it
14        p1 = multiprocessing.Process(target=worker, args=(i,))
15        jobs.append(p1)
16        # Declare a new process and pass arguments to it
17        p2 = multiprocessing.Process(target=worker, args=(i+10,))
18        jobs.append(p2)
19        p1.start() # starting workers
20        p2.start() # starting workers