data_fields = {
    'features':features,
    'label':label,
}
write_to_tfrecord(data_fields, './training.tfrecord')

feature_info = {
    'features': (tf.float32, [25,]),
    'label': (tf.int32, [2,])
    }

dataset = read_tfrecord('./training.tfrecord', feature_info)