[
  {
    "id": "A001",
    "name": "Tom",
    "math": 60,
    "physics": 66,
    "chemistry": 61
  },
  {
    "id": "A002",
    "name": "James",
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    "physics": 76,
    "chemistry": 51
  },
  {
    "id": "A003",
    "name": "Jenny",
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    "physics": 90,
    "chemistry": 78
  }
]