class Tumble:
    construct(n, seed):
        this.conv = [i for i over n]
        this.conv.shuffle(seed)
    call(k):
        return this.conv[k]

tumble = Tumble(12, 483721)

a = [i for i over 12]
b = [tumble(i) for i in a]
print a, b

a = [1,2,3,4,5,6,7,8,9,10,11,12]
b = [12,1,5,3,10,2,11,4,7,8,9,6]