import socket


data = """
{
   "url": "/start"
}
""".encode('utf-8')

with open('./ips.txt', 'r') as f:
    for ip in f.readlines():
        print(ip.strip())
        try:
            s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
            s.settimeout(5)
            # 发送数据:
            s.sendto(data, (ip.strip(), 6001))
                # 接收数据:
            print(s.recv(1024).decode('utf-8'))
            s.close()
        except Exception as e:
            print(e)