Merge pull request #13 from anshuman23/dev

Added Iris example for blog post

Author: anshuman23

examples/iris-example/data/README.md

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+model_checkpoint_path: "/home/anshuman/coding_practice/Iris-Neural-Network/data/graph"
+all_model_checkpoint_paths: "/home/anshuman/coding_practice/Iris-Neural-Network/data/graph"

examples/iris-example/data/checkpoint

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+��?�~�?�1>AV���P����v�?Ţu?�F"��y�?����"q?��x���6?�ȍ�H1�iH�_ܱ�W���Z?�&�?t�=afJ�]��>�I�?�^?�Ň���?�q뿏c���ـ?ӌ�?Dߚ?��m�o������Cap���9��?�瘿�9/?