获取三维数组的键

var threeDimensionalArray = [
  [
    [1, 2, 3],
    [4, 5, 6]
  ],
  [
    [7, 8, 9],
    [10, 11, 12]
  ]
];

for (var i = 0; i < threeDimensionalArray.length; i++) {
  for (var j = 0; j < threeDimensionalArray[i].length; j++) {
    for (var k = 0; k < threeDimensionalArray[i][j].length; k++) {
      var key = i + "-" + j + "-" + k;
      console.log("Key: " + key);
    }
  }
}

three_dimensional_array = [
  [
    [1, 2, 3],
    [4, 5, 6]
  ],
  [
    [7, 8, 9],
    [10, 11, 12]
  ]
]

for i, array_2d in enumerate(three_dimensional_array):
  for j, array_1d in enumerate(array_2d):
    for k, value in enumerate(array_1d):
      key = f"{i}-{j}-{k}"
      print(f"Key: {key}")