2016-12-29 16:43:57 +0200 | asked a question | How to extract the value from a slider bar. sage: @interact sage: def func(n = slider(0, 10, 1)): sage: print("n: %s" %n) This gives me a slider bar with corresponding value of n, how do I link this value of n directly to a list such as: sage: n=7 sage: a_i=list(var('a_%d' %i)for i in range(0,n+1)) sage: show(a_i) |