# This program prints a "random walk" of a
# character that randomly moves left or right.

import random
import time

def main():
    # initial position and number of steps to move
    STEPS = 20
    position = 10
    
    for i in range(STEPS):
        # pause for 200ms
        time.sleep(0.2)
        
        # randomly adjust position by -1 or +1
        rnd = random.randrange(-1, 2, 2)
        position += rnd
        
        # print character at its current position
        print(" " * position, "*")

main()