call powershell script from python with arguments

import subprocess, sys


def callPS(psfile,mode,machine):
    p = subprocess.Popen(["powershell.exe", "-ExecutionPolicy", "Bypass", "-File", psfile, mode, machine], stdout=subprocess.PIPE)
    print(p.communicate())
    

aws_script = "C:\\Users\\uday\\Desktop\\helloworld.ps1"
callPS(aws_script,"start","devbuild1")