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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 validate_ip(s):
 """Validate a hexidecimal IPv6 ip address. True True True True True True True True False False False Traceback (most recent call last):
 TypeError: expected string or buffer True :param s: String to validate as a hexidecimal IPv6 ip address. :type s: str :returns: ``True`` if a valid hexidecimal IPv6 ip address, ``False`` otherwise. :raises: TypeError """

    if _HEX_RE.match(s):
        return len(s.split('::')) <= 2
    if _DOTTED_QUAD_RE.match(s):
        halves = s.split('::')
        if len(halves) > 2:
            return False
        hextets = s.split(':')
        quads = hextets[-1].split('.')
        for q in quads:
            if int(q) > 255:
                return False
        return True
    return False