ring_the_bell.py

#!/usr/bin/python

#import os
import sys
from time import sleep

DEF_RINGING_TIMES = 10

def belll():
    # if print("\a") will fail....
    # import os
    # os.system('echo "\007"')

    print("\a", end="")
    print(flush=True, end="")

how_much = DEF_RINGING_TIMES
if len(sys.argv) > 1:
    try:
           how_much = int(sys.argv[1])
    except ValueError:
            pass

for i in range(how_much):
    belll()
    sleep(0.098)