(str)
return in6_isincluded(str, 'ff00::', 8)
Returns True if provided address in printable format belongs to 
    allocated Multicast address space (ff00::/8).
Returns True if provided address in printable format belongs to 
    allocated Multicast address space (ff00::/8).
Returns True if provided address in printable format belongs to allocated Multicast address space ( ff00 :: / 8 ) .
def in6_ismaddr(str):
    """
    Returns True if provided address in printable format belongs to 
    allocated Multicast address space (ff00::/8).
    """
    return in6_isincluded(str, 'ff00::', 8)
def in6_ismaddr ( str ) : return in6_isincluded ( str , 'ff00::' , 8 )