Code Refactoring Suggestion
The current code is reconstructed according to modern standards.
PROMPT
The following code makes it more readable, sustainable and modern {dil} practicals while maintaining the same function. Open changes and causes:
```{dil}
{kod}
```
Replace the bracketed fields with your own goal, audience and context.
Paste the prompt into the recommended tool; treat the first output as a draft.
Point out gaps, add examples, and define the output format you want more precisely.