13. Average
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Input
Goal output
Your output
  • [1,3]
    2
  • [5]
    5
  • [1,2,3]
    2
  • [-3,3]
    0
  • [1,1,1,1,1]
    1
  • [1,1,2,2]
    1.5
  • [1,9,1,9,3,7]
    5
  • [0,0,10,0,10]
    4
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