def METHOD_NAME(
    self, 
    shorcut_key:str,
    )-> None:
    r = os.urandom(3).hex()
    for binding in self.myparent.bindings.bindings:
        if len(binding.keys) == 2 and binding.keys[0].value == 'escape' and binding.keys[1].lower() == shorcut_key:
            return
    self.myparent.bindings.add('escape', shorcut_key.lower())(self._go_tab)