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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 __ungrabHotkey(self, key, modifiers, window):
 """ Ungrab a specific hotkey in the given window """

        logger.debug("Ungrabbing hotkey: %r %r", modifiers, key)
        try:
            keycode = self.__lookupKeyCode(key)
            mask = 0
            for mod in modifiers:
                mask |= self.modMasks[mod]

            window.ungrab_key(keycode, mask)

            if Key.NUMLOCK in self.modMasks:
                window.ungrab_key(keycode, mask|self.modMasks[Key.NUMLOCK])

            if Key.CAPSLOCK in self.modMasks:
                window.ungrab_key(keycode, mask|self.modMasks[Key.CAPSLOCK])

            if Key.CAPSLOCK in self.modMasks and Key.NUMLOCK in self.modMasks:
                window.ungrab_key(keycode, mask|self.modMasks[Key.CAPSLOCK]|self.modMasks[Key.NUMLOCK])
        except Exception as e:
            logger.warning("Failed to ungrab hotkey %r %r: %s", modifiers, key, str(e))