<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def close(self):
 """ Call this method to force print the last progress bar update based on the latest n value """

        if self.leave:
            if self.last_print_n < self.n:
                cur_t = time.time()
                self.sp.print_status(format_meter(self.n, self.total, cur_t-self.start_t, self.ncols, self.prefix, self.unit, self.unit_format, self.ascii))
            self.file.write('\n')
        else:
            self.sp.print_status('')
            self.file.write('\r')