如何在多个JSON对象中保存循环数据

{
  "students": [
    {
      "name": "张三",
      "courses": [
        {
          "name": "数学",
          "score": 90
        },
        {
          "name": "英语",
          "score": 85
        }
      ]
    },
    {
      "name": "李四",
      "courses": [
        {
          "name": "数学",
          "score": 95
        },
        {
          "name": "英语",
          "score": 80
        }
      ]
    }
  ]
}

[
  {
    "name": "商品A",
    "price": 100
  },
  {
    "name": "商品B",
    "price": 200
  }
]

[
  {
    "order_id": "123",
    "product_id": "456",
    "quantity": 2
  },
  {
    "order_id": "789",
    "product_id": "123",
    "quantity": 1
  }
]

[
  {
    "product_id": "123",
    "name": "商品A",
    "price": 100
  },
  {
    "product_id": "456",
    "name": "商品B",
    "price": 200
  }
]