import progressbar
import time

maximum = 50
widgets = [progressbar.FormatLabel('Bar'), "   ",
                       progressbar.Percentage(), " ",
                       progressbar.Bar(), " ",
                       progressbar.Timer(), " ",
                       progressbar.AdaptiveETA()]
bar = progressbar.ProgressBar(widgets=widgets,
                              max_value=maximum)

steps = 0
bar.start()
while steps < maximum:
	bar.update(steps)
	time.sleep(0.1)
	steps += 1
bar.finish()

time.sleep(0.2)

steps = 0
bar.start()
while steps < maximum:
	bar.update(steps)
	time.sleep(0.1)
	steps += 1
bar.finish()