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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 clean_recently_opened_state_machines(self):
 """Remove state machines who's file system path does not exist"""

        state_machine_paths = self.get_config_value('recently_opened_state_machines', [])
        filesystem.clean_file_system_paths_from_not_existing_paths(state_machine_paths)
        self.set_config_value('recently_opened_state_machines', state_machine_paths)