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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def gprsSuspensionRequest():
 """GPRS SUSPENSION REQUEST Section 9.1.13b"""

    a = TpPd(pd=0x6)
    b = MessageType()
    c = Tlli()
    d = RoutingAreaIdentification()
    e = SuspensionCause()
    packet = a / b / c / d / e
    return packet