import sys
import time
import random

ARM = ['\\', '_', '/', ' ']

def figure():
    fig = random.choice(ARM) + "o" + random.choice(ARM)
    sys.stdout.write(fig)
    sys.stdout.flush()

def erase():
    sys.stdout.write("\b\b\b")
    sys.stdout.flush()

def dance():
    while True:
        figure()
        time.sleep(0.5)
        erase()

if __name__ == '__main__':
    dance()