2 + 2
x = 42
x * 2
Calculons maintenant $\sin({\pi \over 2})$ :
import math
math.sin(math.pi / 2)
%matplotlib inline
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(0, 5, 1000)
y = np.sin(x)
plt.plot(x, y)
z = np.cos(x)
plt.plot(x, z)