def authenticationResponse():
 a = TpPd(pd=5)
 b = MessageType(mesType=20)
 c = AuthenticationParameterSRES()
 packet = ((a / b) / c)
 return packet

def authenticationResponse ( ) : a = TpPd ( pd = 5 ) b = MessageType ( mesType = 20 ) c = AuthenticationParameterSRES ( ) packet = ( ( a / b ) / c ) return packet
authentication response section 9 .