coding neural network

[jefsummers]

1. W1 is defined in In[9] of your posted code. That cell needs to be executed before you can print.
4. Typically you will create a repository on your computer and sync the two. See the book.
5.

type("anthing you like")

will return str, because anything in quotes is a string.
9. Looks like. try

print(predictions.shape)