python-@从一行#中穿过(49)

import time

length = 19
count = 0

while True:
    print('\r%s@%s' % ('#' * count,'#' * (length - count)),end='')
    try:
        time.sleep(0.3)
    except KeyboardInterrupt:
        print('\nBye-bye')
        break
    if count == length:
        count = 0
    count +=1

#\r回车不换行  #\n回车换行  #\t空格