code: def printDuplicatedTPEDandTFAM(tped, tfam, samples, oldSamples, prefix):
      
      # Print the TPED
      outputTPED = None
      try:
          outputTPED = open(prefix + ".duplicated_samples.tped", "w")
      except IOError:
          msg = "%(prefix)s.duplicated_samples.tped: can't write " \
                "file" % locals()
          raise ProgramError(msg)
      for row in tped:
          print >>outputTPED, "\t".join(row)
      outputTPED.close()
  
      # Print the TFAM
      nbSamples = len(tped[0][4:])
      newTFAM = [0 for i in xrange(nbSamples)]
      for samples, indexes in samples.iteritems():
          oldIndexes = oldSamples[samples]
          for i, index in enumerate(indexes):
              oldIndex = oldIndexes[i]
              newTFAM[index] = tfam[oldIndex]
      outputTFAM = None
      try:
          outputTFAM = open(prefix + ".duplicated_samples.tfam", "w")
      except IOError:
          msg = "%(prefix)s.duplicated_samples.tfam: can't write " \
                "file" % locals()
          raise ProgramError(msg)
      for row in newTFAM:
          print >>outputTFAM, "\t".join(row)
      outputTFAM.close()
docs: Print the TPED and TFAM of the duplicated samples.
  
      :param tped: the ``tped`` containing duplicated samples.
      :param tfam: the ``tfam`` containing duplicated samples.
      :param samples: the updated position of the samples in the tped containing
                      only duplicated samples.
      :param oldSamples: the original duplicated sample positions.
      :param prefix: the prefix of all the files.
  
      :type tped: :py:class:`numpy.array`
      :type tfam: :py:class:`numpy.array`
      :type samples: dict
      :type oldSamples: dict
      :type prefix: str
  
      The ``tped`` and ``tfam`` files are written in
      ``prefix.duplicated_samples.tped`` and ``prefix.duplicated_samples.tfam``,
      respectively.