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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 perlin(self, key, **kwargs):
 """Return perlin noise seede with the specified key. For parameters, check the PerlinNoise class."""


        if hasattr(key, "encode"):
            key = key.encode('ascii')

        value = zlib.adler32(key, self.seed)
        return PerlinNoise(value, **kwargs)