gui

#gui
import pymel.core as pm
class IdButtonWin(pm.ui.Window):
    _singleton = 1
    def __init__(self, *args):
        print 'here'
        self.title = "Test Return"
        self.buildUI()
        self.show()
    def sayHi(*args):
        if args is None:
            someValue += 1
            print "Hi"
        else:
            print "Args", someValue
    def buildUI(self):
        with self:
            with pm.frameLayout():
                pm.button(label='Hello', c=pm.Callback(self.sayHi))
                pm.button(label='Return', c=pm.Callback(self.sayHi, someValue))
someValue = 0
x = IdButtonWin()