import os, signal
def kill_process(process_name):
    try:
        for line in os.popen('ps ax | grep ' + process_name + ' | grep -v grep'):
            fields = line.split()
            if fields[4] == process_name:
                pid = fields[0]
                os.kill(int(pid), signal.SIGKILL)
        return True
    except Exception as e:
        print(f'{e}')
        return False

kill_process('sleep')