The wxPython tutorial

The Graphics Device Interfacehttp://www.zetcode.com/wxpython/gdi/dc.DrawRectangleRect(rect)dc.DestroyClippingRegion()app = wx.App()Operations(None, -1, 'Operations')app.MainLoop()Figure: Set operations on RegionsM A P P I N G M OD E SSpeak in English, measure in MetricThe English language became the global language forcommunication. So did the metric system become the globalsystem in measuremet. According to this wikipedia article,there are only three exceptions. The USA, Liberia andMyanmar. For example, Americans use Fahrenheits tomeasure temperature, gallons to tank their cars or pounds toweigh loads.This might lead to some funny situations."It is very hot today. What is the temperature?""Let me see. It is one hundred and ,wait one hundred and ..."?!?!"... five Fahrenheits.""Aha."(When I was in US talking to an American)Even though we in Europe use the metric system, there are31 de 44 27/04/2008 1:08