import matplotlib.pyplot as plt
import numpy as np
from mpl_toolkits.mplot3d import Axes3D as a3d

x = [1, 2, 3]
y = [1, 4, 9]
z = [1, 2, 3]

plt.scatter(x, y, color='r')
plt.show(block=False)

a3d.scatter([1], [1], zs=0, zdir='z', s=20, c='b')