Write a python code to train a neural network, with one hidden layer of three nodes and an output layer of one node, on the following data (4 samples, the features are x₁ and x₂, and the labels are y):

X₁ x₂ y

0 0 0

1 0 1

0 1 1

1 1 0

Do not use classes. You may use a bias if you want.