Update utils.py

utils.py

@@ -0,0 +1,21 @@
+import tensorflow as tf
+import matplotlib.pyplot as plt
+
+
+def plot_accuracy(history):
+    plt.plot(history.history["accuracy"], label="train")
+    plt.plot(history.history["val_accuracy"], label="validation")
+    plt.legend()
+    plt.show()
+
+
+def plot_loss(history):
+    plt.plot(history.history["loss"], label="train")
+    plt.plot(history.history["val_loss"], label="validation")
+    plt.legend()
+    plt.show()
+
+
+def process(image, label):
+    image = tf.cast(image / 255.0, tf.float32)
+    return image, label