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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 partialRelease():
 """PARTIAL RELEASE Section 9.1.26"""

    a = TpPd(pd=0x6)
    b = MessageType(mesType=0xa)  # 00001010
    c = ChannelDescription()
    packet = a / b / c
    return packet