import keras
import numpy as np


keras.utils.set_random_seed(42)

x_train = np.linspace(-1.0, 1.0, 120, dtype="float32").reshape(-1, 1)
y_train = (2.0 * x_train) + 0.5
x_val = np.linspace(-0.8, 0.8, 40, dtype="float32").reshape(-1, 1)
y_val = (2.0 * x_val) + 0.5