def keffLineParse(keffLine):
  """
    Parses through the anaKeff line in .res file.
    @ In, keffLine, string, string from .res file listing IMPKEFF
    @ Out, keffTuple, list, (mean IMPKEFF, sd of IMPKEFF)
  """
  newKeffLine = keffLine[keffLine.find('='):]
  start = newKeffLine.find('[')
  end = newKeffLine.find(']')
  keffSd = newKeffLine[start + 1:end].strip()
  keffTuple = keffSd.split()
  return keffTuple