Advanced Formatting

Concepts: pyStringFormat

F-strings support advanced formatting for alignment, padding, and number presentation. These features create professional-looking output. Alignment and Padding Control how values are positioned within a fixed width: Number Formatting Format numbers with precision, separators, and signs: These produce: "Pi: 3.1416" (4 decimals), "Big: 1,234,567,890" (comma separators), "Signed: -42" (explicit sign), and "Padded: 00042" (zero-padded). Percentage and Scientific For financial applications, consider the decimal module instead of floats. Float formatting can display "0.30" but the underlying value might be 0.299999... due to floating-point precision.