python生成随机mac地址

版权声明：皆为本人原创，复制必究 https://blog.csdn.net/m493096871/article/details/86607429

import string
import random
s=string.hexdigits
def nihao():
    MAC='01-AF-3B'
    for i in range(3):
        n="".join(random.sample(s,2)[:2]).upper()
        MAC+='-'+n
    return MAC
with  open('mac.txt','w') as f1:
    for i in range(100):
        f1.write(nihao())
        f1.write('\n')
with open('mac.txt','r') as f2:
    for i in f2.readlines():
        print(i,end='')