import win32api
win32api.MessageBox(0,"msgbox", "title")
win32api.MessageBox(0,"ok cancel?", "title",1)
win32api.MessageBox(0,"abort retry ignore?", "title",2)
win32api.MessageBox(0,"yes no cancel?", "title",3)
You can use the Windows API to popup messages and store the response. Have a look in the Pythonwin help for additional tools.You can also use Tkinter (standard library) to create a full dialog. See the example to create a scrolling list to supplement the data driven pages tool on the Resource Centre. Python Selection Script with Tkinter User Interfacehttp://resources.arcgis.com/gallery/file/geoprocessing/details?entryID=F0B54854-1422-2418-A0F6-37042...