code: def unescape(s):
      """
      Convert all named and numeric character references (e.g. &gt;, &#62;,
      &x3e;) in the string s to the corresponding unicode characters.
      This function uses the rules defined by the HTML 5 standard
      for both valid and invalid character references, and the list of
      HTML 5 named character references defined in html.entities.html5.
      """
      if "&" not in s:
          return s
      return _charref.sub(_replace_charref, s)
  
imports: import re
  from html.entities import html5
label_desc: Use image node_id 3 for calling a global function with example usage: unescape(s) and returns: _charref, s