docs: def printMe(self, selfKey, selfValue):
          '''Parse the single and its value and return the parsed str.
  
          Args:
             selfTag (str): The tag. Normally just ``self.tag``
             selfValue (list): a list of value elements(single, subclasses, str, int). Normally just ``self.value``
  
          Returns:
              str: A parsed text
          '''
          text = '<key>{keyName}</key>\n'.format(keyName=selfKey)
  
          if len(selfValue) == 0:
              return ''
          else:
              valueText = ''
              for element in selfValue:
                  if singleOrPair(element) == 'Single':
                      valueText += element.printMe(element.tag, element.value)
                  elif singleOrPair(element) == 'Pair':
                      valueText += element.printMe(element.key, element.value)
                  # maybe a else statement for non single non pair?
  
          text += valueText
          return text