用Python以编程方式查看网络上的其他计算机

import os

ip_address = "192.168.1.1"
response = os.system("ping -c 1 " + ip_address)

if response == 0:
    print(f"{ip_address} is online.")
else:
    print(f"{ip_address} is offline.")

import socket

ip_address = "192.168.1.1"
port = 80

try:
    socket.create_connection((ip_address, port))
    print(f"{ip_address} is online.")
except OSError:
    print(f"{ip_address} is offline.")

from nmap import PortScanner

ip_address = "192.168.1.1"
port = 80

scanner = PortScanner()
scanner.scan(ip_address, str(port))

if scanner[ip_address].state() == "up":
    print(f"{ip_address} is online.")
else:
    print(f"{ip_address} is offline.")