Update basic_classification.ipynb

[MASDXI]

Changes

• Fix the missing tick when plotting a single image prediction.
• Add an example plotting 12 images with 6 correct and 6 incorrect predictions.

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Preview

Preview and run these notebook edits with Google Colab:

• site/en/r1/tutorials/keras/basic_classification.ipynb

Rendered notebook diffs available on ReviewNB.com.

Format and style

Use the TensorFlow docs notebook tools to format for consistent source diffs and lint for style:

$ python3 -m pip install -U --user git+https://github.com/tensorflow/docs

$ python3 -m tensorflow_docs.tools.nbfmt notebook.ipynb

$ python3 -m tensorflow_docs.tools.nblint --arg=repo:tensorflow/docs notebook.ipynb

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