Mirror objects maya

import pymel.core as pm;
class MirrorControl(object):

   def __init__(self):
       #store your controls in a variable
       controls=pm.ls(sl= True);
       #calling our class attribute to mirror the controls
       self.mirrorControls(controls);

   def mirrorControls(self,*args):
       #list containing the controls
       controls=args[0];
       for control in controls:
            #name of the control
            name=str(control);
            #duplicate control
            dupe=pm.duplicate(control,renameChildren=True,rr=True,name=name+'_r');
            #freeze transforms
            pm.makeIdentity(dupe,apply=True, scale=True,translate=True,rotate=True);
            #place the pivot of the object at the grid's/scene's origin
            pm.xform(dupe,piv=(0,0,0),objectSpace=True);
            #mirror object
            dupe[0].scaleX.set(-1);

#instantiate our class
obj= MirrorControl();