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- def move_as_coord(move, head)
- case move
- when 'up'
- return {x: head[:x], y: head[:y]-1}
- when 'down'
- return {x: head[:x], y: head[:y]+1}
- when 'left'
- return {x: head[:x]-1, y: head[:y]}
- when 'right'
- return {x: head[:x]+1, y: head[:y]}
- end
- end
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