Simon’s code is published online at:
https://www.wolframcloud.com/objects/monajune0/Published/Random_walk_distribution.nb
https://www.wolframcloud.com/objects/monajune0/Published/Random_walk_distribution2D.nb
“If I take many random walks and see what the endpoints of those random walks are, what I’ll find is a Gaussian distribution!” Simon says. In the video, he programs 1D and 2D random walks and 2D and 3D histograms to show the distribution of the endpoints in Wolfram Mathematica.
Geeks out of the box 