Using QMainWindow change default position of toolbar. PYQT4

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Hello guys.
I was wondering if anyone can help me with some syntax/expression. i am using QMainWindow

The GUI i am working on has a tool bar , now i want to change the default position of it to the left of the CenterWidget. i am having problem saying put the toolbar to the left ..


Here is the code i have at the moment

toolbar = self.addToolBar('toolbar')
        toolbar.addAction(NewDoc)
        toolbar.addAction(Map)
        toolbar.addAction(Change)
        toolbar.addAction(exit)

toolbar = self.addToolBar('toolbar')
        toolbar.addAction(NewDoc)
        toolbar.addAction(Map)
        toolbar.addAction(Change)
        toolbar.addAction(exit)

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Here things i tried without luck.

toolbar = self.addToolBar(Qt.LeftToolBarArea)
        toolbar.addAction(NewDoc)
        toolbar.addAction(Map)
        toolbar.addAction(Change)
        toolbar.addAction(exit)

toolbar = self.addToolBar(Qt.LeftToolBarArea)
        toolbar.addAction(NewDoc)
        toolbar.addAction(Map)
        toolbar.addAction(Change)
        toolbar.addAction(exit)

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toolbar = self.addToolBar('toolabr')
        toolbar.LeftToolbarArea()
        toolbar.addAction(NewDoc)
        toolbar.addAction(Map)
        toolbar.addAction(Change)
        toolbar.addAction(exit)

toolbar = self.addToolBar('toolabr')
        toolbar.LeftToolbarArea()
        toolbar.addAction(NewDoc)
        toolbar.addAction(Map)
        toolbar.addAction(Change)
        toolbar.addAction(exit)

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toolbar = self.addToolBar(Qt.BottomToolBarArea,'Toolbar')
        toolbar.LeftToolbarArea()
        toolbar.addAction(NewDoc)
        toolbar.addAction(Map)
        toolbar.addAction(Change)
        toolbar.addAction(exit)

toolbar = self.addToolBar(Qt.BottomToolBarArea,'Toolbar')
        toolbar.LeftToolbarArea()
        toolbar.addAction(NewDoc)
        toolbar.addAction(Map)
        toolbar.addAction(Change)
        toolbar.addAction(exit)

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i would appreciate any help. Thank you
ps: sorry for the indent..