a simple and dirty CPU time burner

cpuBurnerDirty.py

import subprocess
import time

thread_amount = int(input('amount of threads:'))

all_processes = []
try:
    for i in range(thread_amount):
        all_processes.append(subprocess.Popen(["md5sum", "/dev/zero"]))
except Exception as ex:
    print("Error: unable to start process", ex)

keep_running = True
try:
    while keep_running:
        time.sleep(1)
except KeyboardInterrupt:
    keep_running = False
    print('STOPPING')

for process in all_processes:
    process.kill()