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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 deinit(self):
 """Blank out the NeoPixels and release the pin."""

        for i in range(len(self.buf)):
            self.buf[i] = 0
        neopixel_write(self.pin, self.buf)
        self.pin.deinit()