code: def unistr(data):
      data = [int(x, 16) for x in data.split(" ")]
      return "".join([chr(x) for x in data])
  
imports: import hashlib
  from http.client import HTTPException
  import sys
  import unicodedata
  import unittest
  from test.support import open_urlresource, requires_resource, script_helper, cpython_only, check_disallow_instantiation
label_desc: Use image node_id 2 for calling the NormalizationTest obj's underlying member method code with example usage: obj.unistr(data) and returns: str