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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 bin(self):
 """Full-length binary representation of the IP address. 01111111000000000000000000000001 """

        bits = self.v == 4 and 32 or 128
        return bin(self.ip).split('b')[1].rjust(bits, '0')