from vboxapi import VirtualBoxManager
mgr = VirtualBoxManager(None, None)

import vboxstarter

vmname01 = "Windows XP VM02"
vmname02 = "Windows XP VM03"

caller_array = [vboxstarter.VBoxStarter(mgr,vmname01),  vboxstarter.VBoxStarter(mgr,vmname02)]

caller_array[0].startvm()
caller_array[1].startvm()