def _on_key_pressed(self, event):

        if event.alt_down and event.key_code == 317:
            zoom = self.shell.control.GetZoom()
            if zoom != 20:
                self.shell.control.SetZoom(zoom+1)

        elif event.alt_down and event.key_code == 319:
            zoom = self.shell.control.GetZoom()
            if zoom != -10:
                self.shell.control.SetZoom(zoom-1)

        return
Used to lookup a VerifiedNumber, trying to exclude country code digits.
dataset/ETHPy150Open enthought/envisage/envisage/plugins/python_shell/view/python_shell_view.py/PythonShellView._on_key_pressed--crossover with--dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/sms/mixin.py/VerifiedNumber.by_suffix