import maya.cmds as cmds

# Get selection and create an aim locator
sel =
aimer = cmds.spaceLocator(n='aimLocator', p=(0,0,0))

# Loop through lights and constrain them to the aimer locator
for c,cur in enumerate(sel):

	cmds.aimConstraint(aimer,cur, mo=False, aim=[0,0,-1])
I wish to do something Great and Wonderful, but I must start by doing the little things like they were Great and Wonderful”
~ Albert Einstein