Please help in writing a test script in matlab:?

[Smith H]

Please I need help:
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function []=play(board,shark,oldShark)
print(board,shark);
[isGoldfish coords]=getClosestGoldfish(board,shark);
if isGoldfish==true
oldShark=shark;
newShark=moveToGoldfish(board,coords,shark);
[newBoard newShark]=eatGoldfish(board,coords,newShark);
play(newBoard,newShark,oldShark);
else
disp('Game Ended');
end
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