code: def _tryimport(*names):
      """return the first successfully imported module."""
      assert names
      for name in names:
          try:
              __import__(name)
          except ImportError:
              excinfo = sys.exc_info()
          else:
              return sys.modules[name]
      _reraise(*excinfo)
  
label_desc: Use image node_id 1 for calling a global function with example usage: _tryimport() and returns: sys