Progress Bars in Python 3.x

progress_bar.py

import time
import sys
def do_task():
    time.sleep(0.1)

def example_1(n):
    steps = n/10
    for i in range(n):
        do_task()
        if i%steps == 0:
            print('█', end=""),
            sys.stdout.flush()
    print (']  Done!')
     
print('Starting [           ]',end="")
print('\b'*12, end="")
sys.stdout.flush()
example_1(100)