code: def enbase64(byte_str):
      
  
      # Python 3: base64.b64encode() expects type byte
      if isinstance(byte_str, str) and not PYTHON2:
          byte_str = bytes(byte_str, 'utf-8')
      return base64.b64encode(byte_str)
docs: Encode bytes/strings to base64.
  
      Args:
          - ``byte_str``:  The string or bytes to base64 encode.
  
      Returns:
          - byte_str encoded as base64.