Help! Python doesnt work for me

Hi guys apologies if i posted this twice,

Anyways I recently i have decided to learn the amazing python for my job as a character rigger and td.
i know a little bit of Mel already. anyways was excited to learn it, hence "was"

i was following a tutorial by Jeremy Ernst who takes you through making UI's in Maya with Python.
I have watched the first tutorial of the series a few times to make sure my code was the same.
and after saving it in the documents/maya/scripts folder.

I load up maya and try to boot up my new script i which have used wings IDE trial to make.
i select the Python tab and make sure the method is set to Python.
I click execute

Nothing! window does not appear??
no errors, no parsing errors or syntax
absolutely nothing happens.

so i figure the the tutorial is old, and I am using a newer version of Maya 2014, so i download the trial 2011 that the instructor Jeremy is using,

Nothing!!?? again!

i cant seem to find anything in the plug in manager that needs to be enabled, i cant seem to find anybody with the same problem. the script manager is not picking up errors. Python is installed. but no ones home so to speak....and yes i have tried turning it on and off again
anyways if somebody could help me out here i would sincerely appreciate it

cheers.
Joe
__________________________________________________ ______________________
THE CODE

import maya.cmds as cmds


def UI():

#check to see if your window exists
if cmds.window("exampleUI", exists = True):
cmds.deleteUI("exampleUI")

#create our window
window = cmds.window("exampleUI", title = "Example UI", w = 300, h = 300, mnb = False, mxb = False, sizeable = False)

#show window
cmds.showWindow(window)

SCRIPT EDITOR

import exampleUI
reload(example UI)
exampleUI.UI()

Hey guys i reinstalled my Maya the python module is importing external scripts, if anybody ever comes across this i recommend just rebooting your program.

cheer anywho
Joe

again its stopped working

i was so happy the UI came up, but now running the exact same script, and nothing again :(

anyone know how to help me?
Joe

shout out to another dude on the CC forum, who helped me resolve this issue

I had to change the
if cmds.window("exampleUI", exists = True):

*to exist = False):

anywho cheers

Joe

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