ping_rtt.py

from datetime import datetime
import subprocess
import os


def foo(c):
    fnull = open(os.devnull, 'w')
    d1 = datetime.now()
    subprocess.check_call(c, stdout=fnull, stderr=fnull, close_fds=True)
    return (datetime.now() - d1).total_seconds()

print(foo(['ping', '-c', '1', '192.168.176.1']) * 1000.0)
print(foo(['ping', '-c', '1', '212.27.48.10']) * 1000.0)
print(foo(['ping', '-c', '1', '216.58.208.228']) * 1000.0)