Simple 3D plot in Matplotlib

test2.py

import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits import mplot3d

# Create the figure and the axes
fig = plt.figure()
ax = fig.add_subplot(111, projection = '3d', title = 'A 3D curve')

# Prepare the data points
z = np.linspace(-4*np.pi, 4*np.pi, 100)
x = np.sin(z)
y = np.cos(z)

# Plot the data points
ax.plot(x, y, z)

# Display the plot
plt.show()