progressing-bar using python

gistfile1.txt

import time
scale = 50
print("starting".center(scale // 2,"-"))
start = time.perf_counter()
for i in range(scale + 1):
    a = "*" * i
    b = "." * (scale - i)
    c = (i / scale) * 100
    dur = time.perf_counter() - start
    print("\r{:^3.0f}%[{}->{}]{:.2f}s".format(c,a,b,dur),end = "")
    time.sleep(0.1)
print("\n"+"end".center(scale // 2,"-"))