try:
    client.send(b'x01x**')
    print("sent")
    data1 = client.recv(1024)
    print(" ".join("{:02x}".format(byte) for byte in (data1)))
    time.sleep(1)
    client.send(b'x01x**')
    data2 = client.recv(1024)
    print(" ".join("{:02x}".format(byte) for byte in (data2)))
    with open('D:data_%d.csv'% i, "w") as csv_file:
        writer = csv.writer(csv_file, delimiter=',')
        filename1 = " ".join("{:02x}".format(byte) for byte in data1)
        filename2 = " ".join("{:02x}".format(byte) for byte in data2)
        writer.writerow((filename1,filename2,time.ctime()))