import numpy as np
import matplotlib.pyplot as plt

num_examples = 50
X = np.array([np.linspace(-2, 4, num_examples), np.linspace(-6, 6, num_examples)])
X += np.random.randn(2, num_examples)

plt.figure(figsize = (5,5))
plt.scatter(X[0], X[1])

plt.show()
