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Pixel Value Normalization

The code behind the picture

Follow the lesson’s implementation, one code cell at a time.

Choose a language and read the cells in order. These are small teaching examples; the visual lesson runs separately.

Follow the calculation

Same inputs · Same operation · Same result

3 teaching cells · Python standard library · Read-only

1. Prepare the inputs
Use these small, explicit inputs to follow the calculation.
In [ ]:
```
import json

values = [0, 128, 255]
```
2. Change the numerical ruler
Divide each byte value by 255. Retain full precision; rounding is only for display.
In [ ]:
```
result = [value / 255 for value in values]
```
3. Inspect the result
Print the result as JSON so both languages use the same output format.
In [ ]:
```
print(json.dumps(result))
```

Expected result

Running the three cells in order produces this result in either language.

[
  0,
  0.5019607843137255,
  1
]