{"type":"rich","version":"1.0","title":"Finite differences in Python","html":"<pre class=\"wb-embed wb-embed-code\" data-lexer=\"python\">def diff(xs): return [b - a for a, b in zip(xs, xs[1:])]; squares = [n**2 for n in range(1, 7)]; print(diff(diff(squares)))</pre>","width":640,"height":320}