# import tensorflow as tf

# def build_data_arrays(data):
#     data_image = []
#     data_label = []

#     for image, label in data:
#       data_image.append(image)
#       data_label.append(label)

#     return data_image, data_label

# def cast_image_size(image):
#     image = tf.cast(image/255, tf.float32)
#     return image
