code: def guid(valu=None):
      '''
      Get a 16 byte guid value.
  
      By default, this is a random guid value.
  
      Args:
          valu: Object used to construct the guid valu from.  This must be able
              to be msgpack'd.
  
      Returns:
          str: 32 character, lowercase ascii string.
      '''
      if valu is None:
          return binascii.hexlify(os.urandom(16)).decode('utf8')
      # Generate a "stable" guid from the given item
      byts = s_msgpack.en(valu)
      return hashlib.md5(byts).hexdigest(f guid(valu=None):
      '''
      Get a 16 byte guid value.
  
      By default, this is a random guid value.
  
      Args:
          valu: Object used to construct the guid valu from.  This must be able
              to be msgpack'd.
  
      Returns:
          str: 32 character, lowercase ascii string.
      '''
      if valu is None:
          return binascii.hexlify(os.urandom(16)).decode('utf8')
      # Generate a "stable" guid from the given item
      byts = s_msgpack.en(valu)
      return hashlib.md5(byts).hexdigest()
docs: Get a 16 byte guid value.
  
      By default, this is a random guid value.
  
      Args:
          valu: Object used to construct the guid valu from.  This must be able
              to be msgpack'd.
  
      Returns:
          str: 32 character, lowercase ascii string.