import multiprocessing
import time
def func(number):
for i in range(1, 10):
time.sleep(0.01)
print('Processing ' + str(number) + ': prints ' + str(number*i))
# list of all processes, so that they can be killed afterwards
all_processes = []
for i in range(0, 3):
process = multiprocessing.Process(target=func, args=(i,))
process.start()
all_processes.append(process)
# kill all processes after 0.03s
time.sleep(0.03)
for process in all_processes:
process.terminate()