import matplotlib.pyplot as plt X = [] Y =[] size = 4 pixel = 200 i pixel x = i * size / pixel - size / 2 j pixel y = j * size / pixel - size / 2 a = 0 b = 0 k 20 next_a = a * a - b * b + x next_b = 2 * a * b + y a = next_a b = next_b a * a + b * b > 4 X.append(i) Y.append(j) break plt.plot(X, Y, '.') plt.show() []