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import matplotlib.pyplot as plt

import numpy as np

from mpl_toolkits.mplot3d import Axes3D

def randrange(n, vmin, vmax):

return (vmax - vmin) * np.random.rand(n) + vmin

fig = plt.figure()

ax = fig.add_subplot(111, projection='3d')

n = 100

# For each set of style and range settings, plot n random points in the box

# defined by x in [23, 32], y in [0, 100], z in [zlow, zhigh].

for c, m, zlow, zhigh in [('r', 'o', -50, -25), ('b', '^', -30, -5)]:

xs = randrange(n, 23, 32)

ys = randrange(n, 0, 100)

zs = randrange(n, zlow, zhigh)

ax.scatter(xs, ys, zs, c=c, marker=m)

ax.set_title('3D Diagram View', pad=15, fontsize='10')

ax.set_xlabel('x ', color='r', fontsize='14')

ax.set_ylabel('y ', color='g', fontsize='14')

ax.set_zlabel('z ', color='b', fontsize='14')

plt.show()