code: def Text(text):
      """provide a wrapper for python string
      map byte to str (python 3)
      map str to unicode (python 2)
      all string in utf-8 encoding
      normalize string to NFC
      """
      if not is_unicode(text):
          text = text.decode("utf-8")
      text = unicodedata.normalize("NFC", text)
      return text
  
imports: import sys
  import unicodedata
label_desc: Use image node_id 1 for calling a global function with example usage: Text(text) and returns: text