Python 3 code
#############################
# Whole torus generation
# by paramteric equations
# (matplotlib module)
#############################

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

angle = np.linspace(0, 2 * np.pi, 32)      #  define cylindrical co-ordinates array
theta, phi = np.meshgrid(angle, angle)     # set theta, phi grid
r, R = .25, 1.
X = (R + r * np.cos(phi)) * np.cos(theta)     # evaluate x co-ordinate array values
Y = (R + r * np.cos(phi)) * np.sin(theta)      # evaluate y co-ordinate array values
Z = r * np.sin(phi)

plt.style.use('dark_background')     # set black background color

fig = plt.figure()      # define 3D plot and axes
ax = fig.gca(projection = '3d')
ax.set_xlim3d(-1, 1)        # set x axis limits
ax.set_ylim3d(-1, 1)        # set y axis limits
ax.set_zlim3d(-1, 1)        # set z axis limits

ax.plot_surface(X, Y, Z, color = 'cyan', rstride = 1,cstride = 1)   # plot surface as a whole

ax.axis('off')   # do not plot co-ordinate axes
plt.show()  # show surface a a whole