demo.json

[
  {
    "condition": "va<=1000",
    "result": [
      {
        "condition": "va - 300 > va_upper",
        "result": 101
      },
      {
        "condition": "va - 200 < va_lower",
        "result": [
          {
            "condition": "va - 100> va_upper",
            "result": 102
          },
          {
            "condition": "true",
            "result": "int(va / 1000) * 1000"
          }
        ]
      },
      {
        "condition": "va - 300 >= va_lower",
        "result": "103"
      },
      {
        "condition": "va - 300 < va_lower",
        "result": 104
      }
    ]
  },
  {
    "condition": "va<=1100",
    "result": [
      {
        "condition": "va - 200 > va_upper",
        "result": 201
      },
      {
        "condition": "va - 100 < va_lower",
        "result": 202
      },
      {
        "condition": "va - 200 >= va_lower",
        "result": 203
      },
      {
        "condition": "va - 200 < va_lower",
        "result": 204
      }
    ]
  },
  {
    "condition": "true",
    "result": [
      {
        "condition": "va - 300 > va_upper",
        "result": 301
      },
      {
        "condition": "va - 200 < va_lower",
        "result": 302
      },
      {
        "condition": "va - 300 >= va_lower",
        "result": 303
      },
      {
        "condition": "va - 300 < va_lower",
        "result": 304
      }
    ]
  }
]