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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 save(self):
 """Save this config to disk. If the charm is using the :mod:`Services Framework <services.base>` or :meth:'@hook <Hooks.hook>' decorator, this is called automatically at the end of successful hook execution. Otherwise, it should be called directly by user code. To disable automatic saves, set ``implicit_save=False`` on this instance. """

        with open(self.path, 'w') as f:
            os.fchmod(f.fileno(), 0o600)
            json.dump(self, f)