windows python kill process

今天发现用taskkill /im需要管理员权限, 而taskkill /pid不需要

import os
def kill_process_by_name(process_name):
    for i in os.popen('tasklist').read().split('
'):
        if process_name in i:
            os.system('taskkill /F /PID {}'.format(i.split()[1]))