<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def notify():
 """NOTIFY Section 9.3.16"""

    a = TpPd(pd=0x3)
    b = MessageType(mesType=0x3e)  # 00111110
    c = NotificationIndicator()
    packet = a / b / c
    return packet