def count(self):
return sum(self.values())<EOL>
Return q-grams count.

        Returns
        -------
        int
            The total count of q-grams in a QGrams object

        Examples
        --------
        >>> qg = QGrams('AATTATAT')
        >>> qg.count()
        9

        >>> qg = QGrams('AATTATAT', qval=1, start_stop='')
        >>> qg.count()
        8

        >>> qg = QGrams('AATTATAT', qval=3, start_stop='')
        >>> qg.count()
        6