(str)
return (inet_pton(socket.AF_INET6, "ff02::1") ==
            inet_pton(socket.AF_INET6, str))
Returns True if address is the link-local all-nodes multicast 
    address (ff02::1).
Returns True if address is the link-local all-nodes multicast 
    address (ff02::1).
Returns True if address is the link - local all - nodes multicast address ( ff02 :: 1 ) .
def in6_isaddrllallnodes(str):
    """
    Returns True if address is the link-local all-nodes multicast 
    address (ff02::1). 
    """
    return (inet_pton(socket.AF_INET6, "ff02::1") ==
            inet_pton(socket.AF_INET6, str))
def in6_isaddrllallnodes ( str ) : return ( inet_pton ( socket . AF_INET6 , "ff02::1" ) == inet_pton ( socket . AF_INET6 , str ) )