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Oct 16th, 2019
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  1. def move_as_coord(move, head)
  2. case move
  3. when 'up'
  4. return {x: head[:x], y: head[:y]-1}
  5. when 'down'
  6. return {x: head[:x], y: head[:y]+1}
  7. when 'left'
  8. return {x: head[:x]-1, y: head[:y]}
  9. when 'right'
  10. return {x: head[:x]+1, y: head[:y]}
  11. end
  12. end
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