Python type hinting
Allegedly one of the best tutorials to start with: Type hinting and annotations — Python for you and me 0.4.alpha1 documentation, link found here: A deep dive on Python type hints · Vicki Boykis. That blog in general is quite interesting, she’s the same person who wrote IT runs on Java 8 · Vicki Boykis.
Random - good small datasets
From the same blog above, Good small datasets · Vicki Boykis is nice. TIL datasets can have documentation.
Tensorflow SequenceExamples to and from String
tf.train.SequenceExample.FromString(se.numpy()).SerializeToString()==se, logically. They can be parsed without an extract function and