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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 main_btn_clicked(self, widget, data=None):
 """ Button switches to Dev Assistant GUI main window """

        self.remove_link_button()
        data = dict()
        data['debugging'] = self.debugging
        self.run_window.hide()
        self.parent.open_window(widget, data)