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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 close_other_windows(self):
 """ Closes all not current windows. Useful for tests - after each test you can automatically close all windows. """

        main_window_handle = self.current_window_handle
        for window_handle in self.window_handles:
            if window_handle == main_window_handle:
                continue
            self.switch_to_window(window_handle)
            self.close()
        self.switch_to_window(main_window_handle)