'Print verbose message on initialization.'

def _print_verbose_msg_init_beg(self, n_init):

    if (self.verbose == 1):
        print(('Initialization    %d' % n_init))
    elif (self.verbose >= 2):
        print(('Initialization    %d' % n_init))
        self._init_prev_time = time()
        self._iter_prev_time = self._init_prev_time
