improved example, basic_classification

added `plt.show()` for ploting examples, like in chapter "Preprocess the
data"

Author: vruge

site/en/r2/tutorials/keras/basic_classification.ipynb

@@ -818,7 +818,8 @@
         "plt.subplot(1,2,1)\n",
         "plot_image(i, predictions, test_labels, test_images)\n",
         "plt.subplot(1,2,2)\n",
-        "plot_value_array(i, predictions,  test_labels)"
+        "plot_value_array(i, predictions,  test_labels)\n",
+        "plt.show()"
       ],
       "execution_count": 0,
       "outputs": []
@@ -836,7 +837,8 @@
         "plt.subplot(1,2,1)\n",
         "plot_image(i, predictions, test_labels, test_images)\n",
         "plt.subplot(1,2,2)\n",
-        "plot_value_array(i, predictions,  test_labels)"
+        "plot_value_array(i, predictions,  test_labels)\n",
+        "plt.show()"
       ],
       "execution_count": 0,
       "outputs": []
@@ -869,7 +871,8 @@
         "  plt.subplot(num_rows, 2*num_cols, 2*i+1)\n",
         "  plot_image(i, predictions, test_labels, test_images)\n",
         "  plt.subplot(num_rows, 2*num_cols, 2*i+2)\n",
-        "  plot_value_array(i, predictions, test_labels)\n"
+        "  plot_value_array(i, predictions, test_labels)\n",
+        "plt.show()"
       ],
       "execution_count": 0,
       "outputs": []
@@ -999,4 +1002,4 @@
       ]
     }
   ]
-}
+}