Python获取两个ip之间的所有ip

int_ip = lambda x: '.'.join([str(x/(256**i)%256) for i in range(3,-1,-1)])
ip_int = lambda x:sum([256**j*int(i) for j,i in enumerate(x.split('.')[::-1])])
def get_ips(ip1,ip2):
    f=open('ips.txt','w')
    ip1_num = ip_int(ip1)
    ip2_num = ip_int(ip2)
    for i in range(ip1_num,ip2_num+1):
        f.write(str(int_ip(i))+'
')
get_ips('192.168.0.0','192.168.255.255')