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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 add(self, value):
 """ Add a value to the buffer. """

        ind = int(self._ind % self.shape)
        self._pos = self._ind % self.shape
        self._values[ind] = value
        if self._ind < self.shape:
            self._ind += 1  # fast fill
        else:
            self._ind += self._splitValue
            self._splitPos += self._splitValue
        self._cached = False