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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 _init_io(self):
 """! GPIO initialization. Set GPIO into BCM mode and init other IOs mode """

        GPIO.setwarnings(False)
        GPIO.setmode( GPIO.BCM )
        pins = [ self._spi_dc ]
        for pin in pins:
            GPIO.setup( pin, GPIO.OUT )