import matplotlib
from matplotlib import pyplot as plt

plt.figure(figsize=matplotlib.figure.figaspect(1))

for i in range(0, 4):
	plt.plot([i, i], [0, 3], color='black')
	plt.plot([0, 3], [i, i], color='black')

plt.tick_params(labelbottom=False, labelleft=False, color='white')
plt.xlim(0, 3)
plt.ylim(0, 3)
plt.show()
