import hack import mx.Tools.NewBuiltins a = trange(10000) def f1(): x = (a,a,a) for i in trange(100): x = lists(x) def f2(): x = (a,a,a) for i in trange(100): x = tuples(x) def f3(apply=apply,map=map,tuple=tuple): x = (a,a,a) y = None for i in trange(100): x = apply(map,(y,)+tuple(x)) print 'lists:',hack.clock('f1()') print 'tuples:',hack.clock('f2()') print 'map:',hack.clock('f3()')