code: def _get_jamo_short_name(jamo):
      
      if not _is_jamo(jamo):
          raise ValueError("Value 0x%0.4x passed in does not represent a Jamo!" % jamo)
      if not _jamo_short_names:
          _load_jamo_short_names()
      return _jamo_short_names[jamo]
docs: Function for taking a Unicode scalar value representing a Jamo and determining the correct value for its
      Jamo_Short_Name property.  For more information on the Jamo_Short_Name property see the Unicode Standard,
      ch. 03, section 3.12, Conjoining Jamo Behavior.
  
      https://www.unicode.org/versions/latest/ch03.pdf
  
      :param jamo: Unicode scalar value representing a Jamo
      :return: Returns a string representing its Jamo_Short_Name property