如何从.txt文件中提取MAC地址并将其单独放入另一个.txt中

import re

def extract_mac_addresses(input_file, output_file):
    mac_addresses = []
    
    # 读取原始文件
    with open(input_file, 'r') as file:
        content = file.read()
    
    # 提取MAC地址
    mac_pattern = r'([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})'
    mac_addresses = re.findall(mac_pattern, content)
    
    # 将提取的MAC地址写入新文件
    with open(output_file, 'w') as file:
        for mac_address in mac_addresses:
            file.write(mac_address + '\n')

# 示例用法
input_file = 'input.txt'
output_file = 'output.txt'
extract_mac_addresses(input_file, output_file)