'Return a string representation of this FreqDist.
:param maxlen: The maximum number of items to display
:type maxlen: int
:rtype: string'

def pformat(self, maxlen=10):

    items = [u'{0!r}:    {1!r}'.format(*item) for item in self.most_common(maxlen)]
    if (len(self) > maxlen):
        items.append(u'...')
    return u'FreqDist({{{0}}})'.format(u',    '.join(items))
