@property<EOL><INDENT>def digit_type(self):<DEDENT>
return self._digit_type<EOL>
The digit_type is a flag used to specify the type of digit to be used; for example, a
digit (DigitWord.DIGIT) enables a single digit between 0 and 9, while a hex digit
(DigitWord.HEXDIGIT) enables a single digit between 0 and F.

:return: <int>