Check if internet is detected. If not, restart the computer.

import time
import os
import requests
def check_internet():
    url='http://www.google.com/'
    timeout=5
    try:
        _ = requests.get(url, timeout=timeout)
        return True
    except requests.ConnectionError:
        print("No internet connection available.")
        os.system("sudo shutdown -r now")
        return False

x = check_internet()