import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
from mpl_toolkits.mplot3d.art3d import Line3DCollection

z = np.linspace(-4 * np.pi, 4 * np.pi, 100)
x = np.sin(z)
y = np.cos(z)

segments = []
for i in range(len(z)-1):
    z0, x0, y0 = z[i], x[i], y[i]
    z1, x1, y1 = z[i+1], x[i+1], y[i+1]
    segments.append([(x0, y0, z0), (x1, y1, z1)])

collection = Line3DCollection(segments)
fig = plt.figure()
ax = fig.gca(projection='3d')

ax.add_collection3d(collection)
ax.set_xlim3d(-1, 1)
ax.set_ylim3d(-1, 1)
ax.set_zlim3d(-4*np.pi, 4*np.pi)
ax.set_autoscale_on(True)
ax.autoscale_view()
plt.show()