1.
import sys for i in range(100): sys.stdout.write(‘{}/99\r‘.format(i)) sys.stdout.flush()
2.
import sys import time for i in range(1,100000000,1): time.sleep(0.1) sys.stdout.write((‘\b‘*len(str(i)))+str(i)) sys.stdout.flush()
原文：https://www.cnblogs.com/crac/p/9560715.html