semantic_spec["Output"] = {"Dimension": 1, "Description": {"0": "The label of the hand-written digit."}}
semantic_spec["Input"] = {"Dimension": 64, "Description": {f"{i}": f"The value in the grid {i // 8}{i % 8} of the image of hand-written digit." for i in range(64)}}
semantic_spec["Output"] = {"Dimension": 10, "Description": {f"{i}": "The probability for each digit for 0 to 9." for i in range(10)}}