# -*- coding: utf-8 -*-
import matplotlib.pyplot as plt
import numpy as np

t = np.linspace(0, 10 * np.pi, 1000)
x = np.cos(t) * t
y = np.sin(t) * t

plt.plot(x, y)

# Titres sur les axes
plt.title('Spirale')
plt.xlabel('x')
plt.ylabel('y')

# Axes et grille
plt.axhline(y=0, color='k')
plt.axvline(x=0, color='k')
plt.grid()

plt.show()