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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 process_buffers_for_display(s, limit=40):
 """Process a buffer for human-readable display. This function performs the following operation on each of the buffers in `s`. 1. Truncate input buffer if the length of the buffer is greater than `limit`, to prevent large strings from overloading the frontend. 2. Apply `binascii.b2a_qp` on the truncated buffer to make the buffer printable and convertible to JSON. 3. If truncation happened (in step 1), append a string at the end describing the original length and the truncation. Args: s: The buffer to be processed, either a single buffer or a nested array of them. limit: Length limit for each buffer, beyond which truncation will occur. Return: A single processed buffer or a nested array of processed buffers. """

  if isinstance(s, (list, tuple)):
    return [process_buffers_for_display(elem, limit=limit) for elem in s]
  else:
    length = len(s)
    if length > limit:
      return (binascii.b2a_qp(s[:limit]) +
              b' (length-%d truncated at %d bytes)' % (length, limit))
    else:
      return binascii.b2a_qp(s)