s = 0.3 (slider from 0 to 1, step 0.02)
t = 0.64 (slider from 0 to 1, step 0.02)
a = Surface((cos(u) * cos(v)), (sin(u) * cos(v)), sin(v), u, -3.14159, (-π) + ((2 * π) * s), v, -1.5708, ((-π)) / 2 + (π * t))