<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def systemInformationType7():
 """SYSTEM INFORMATION TYPE 7 Section 9.1.41"""

    a = L2PseudoLength(l2pLength=0x01)
    b = TpPd(pd=0x6)
    c = MessageType(mesType=0x37)  # 000110111
    d = Si7RestOctets()
    packet = a / b / c / d
    return packet