Python get ARP table

get_arp_table.py

import os
import re
def get_arp_table() -> dict[str, str]:
    arp_table = {}
    try:
        with os.popen("arp -a") as arp_output:
            output = arp_output.read()
        for line in output.splitlines():
            match = re.search(r"(\d{1,3}(?:\.\d{1,3}){3}).*?([\da-fA-F]{2}(?:(?::|[\-])[\da-fA-F]{2}){5})", line)
            if match:
                ip, mac = match.groups()
                arp_table[ip] = mac
    except Exception as e:
        print(f"Error reading ARP table: {e}")
    return arp_table