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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 position(self):
 """ Instead of sending M114.2 we are storing target values in self._position since movement and home commands are blocking and assumed to go the correct place. Cases where Smoothie would not be in the correct place (such as if a belt slips) would not be corrected by getting position with M114.2 because Smoothie would also not be aware of slippage. """

        return {k.upper(): v for k, v in self._position.items()}