What are the best practices for number formatting in programming?

What are the best practices for number formatting in programming?

When formatting numbers, consider consistency, locale, and readability. Use appropriate decimal places and grouping.

Can you give examples of number formatting in different programming languages?

Sure! In Python, you can use f-strings for formatting: f'{value:.2f}'. In JavaScript, toLocaleString() is useful for locale-specific formatting.

How do I handle currency formatting?

For currency, always include the currency symbol and format according to the user's locale. Use libraries like Intl.NumberFormat in JavaScript.

What about formatting percentages?

For percentages, multiply the decimal by 100 and append a '%' sign. Ensure to format it to the desired decimal places.

Are there any common pitfalls to avoid?

Yes, avoid hardcoding formats, ensure proper localization, and be cautious with rounding errors.