code: def sample_pws(self, n, asperdist=True):
          
          if asperdist:
              sample = np.random.choice(
                  self._freq_list.shape[0], size=n, p=self._freq_list/self._totalf
              )
          else:
              sample = np.random.choice(len(self._T), size=n)
          return (self._T.restore_key(i) for i in sample)
docs: Returns n passwords sampled from this password dataset.  if
          asperdist is True, then returns the password sampled according
          the password histogram distribution (with
          replacement). Passwords are always sampled with replacement.
  
          TODO: The sample users, instead of passwords perse.