def convertStringToBool(nodeText):
  """
    Convert string to bool
    @ In, nodeText, str, string from xml node text
    @ Out, val, bool, True or False
  """
  stringsThatMeanTrue = list(['yes','y','true','t','on'])
  val = False
  if nodeText.lower() in stringsThatMeanTrue:
    val = True
  return val