@public<EOL>def countdown_timer(seconds=<NUM_LIT:10>):
tick = <NUM_LIT:0.1>  <EOL>n_ticks = int(seconds / tick)<EOL>widgets = ['<STR_LIT>', progressbar.ETA(), '<STR_LIT:U+0020>', progressbar.Bar()]<EOL>pbar = progressbar.ProgressBar(<EOL>widgets=widgets, max_value=n_ticks<EOL>).start()<EOL>for i in range(n_ticks):<EOL><INDENT>pbar.update(i)<EOL>sleep(tick)<EOL><DEDENT>pbar.finish()<EOL>
Show a simple countdown progress bar

    Parameters
    ----------
    seconds
        Period of time the progress bar takes to reach zero.