Solution: Tower of Hanoi

@move_logs = [] # save your move logs in this array
def solve_tower_hanoi(n, src_peg = "peg-A", spr_peg = "peg-B", des_peg = "peg-C")
    if n > 0 # if there is a disk
        solve_tower_hanoi(n-1, src_peg, des_peg, spr_peg)
        @move_logs << "Moved disk-#{n} from #{src_peg} to #{des_peg}"
        solve_tower_hanoi(n-1, spr_peg, src_peg, des_peg)
        
    end
end