lr = 10**np.random.uniform(-7, 0)
reg = 10**np.random.uniform(-6, 3)

lr = 10**np.random.uniform(-4, 0)
reg = 10**np.random.uniform(-7, 0)

lr = 10**np.random.uniform(-4, -1.5)
reg = 10**np.random.uniform(-7, 0)

lr = 10**np.random.uniform(-4, -2.5)
reg = 10**np.random.uniform(-3.8, -1.5)