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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 _ldp_id_adjustlen(pkt, x):
 """Return the length of the `id` field, according to its real encoded type"""

    f, v = pkt.getfield_and_val('id')
    return len(_LLDPidField.i2m(f, pkt, v)) + 1