def progress(count, total, prefix='<STR_LIT>', suffix='<STR_LIT>', length=<NUM_LIT>):
bar_len = length<EOL>filled_len = int(round(bar_len * count / float(total)))<EOL>percents = round(<NUM_LIT> * count / float(total), <NUM_LIT:1>)<EOL>bar = '<STR_LIT:=>' * filled_len + '<STR_LIT:->' * (bar_len - filled_len)<EOL>sys.stdout.write('<STR_LIT>' % (prefix, bar, percents, '<STR_LIT:%>', '<STR_LIT:U+0020>' + suffix))<EOL>sys.stdout.flush()<EOL>
Show a progress bar
:param count: current progress
:param total: total progress
:param prefix: prefix shown before the progress bar
:param suffix: suffix shown after the progress bar
:param length: length of the progress bar, default: 60
:return: none