Two$-$dimensional list ttt$\_$board represents a $3$x$3$ tic$-$tac$-$toe game board read from input. List ttt$\_$board contains three lists, each representing a row. Each list has three elements representing the three columns on the board. Each element in the tic$-$tac$-$toe game board is $\text{'}$x$\text{'},\text{'}$o$\text{'},$ or $\text{'}-\text{'}.$

If all the elements at column index $0$ are $\text{'}$o$\text{'},$ output 'A win at column $0.\text{'}$ Otherwise, output $\text{'}$No win at column $0.\text{'}$