bar.py

#!/usr/bin/env python
import sys, time

def one_satisfied_bar(char='#',length=100):
    for i in range(length):
        sharp = -abs(i-length//2) + length//2
        space =  abs(i-length//2)
        txt   = '|' + char*sharp + '>' + ' '*space + '|' + '\r'
        #sys.stdout.write(txt)
        print txt,
        sys.stdout.flush()
        time.sleep(0.01)

for i in range(4):
    one_satisfied_bar('=')
    print