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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def CreateSourceWindow(self, tabs):
 """Create our source-view window for tabs"""

        if editor and self.sourceCodeControl is None:
            self.sourceCodeControl = wx.py.editwindow.EditWindow(
                self.tabs, -1
            )
            self.sourceCodeControl.SetText(u"")
            self.sourceFileShown = None
            self.sourceCodeControl.setDisplayLineNumbers(True)