String formatting is used to insert values into strings dynamically and create readable, user-friendly output.

It helps avoid manual string concatenation and keeps output consistent.

• Using the % operator
• Using the format() method
• Using f-strings

The old-style formatting method uses specifiers such as %s, %d, and %f.

You can also limit decimal places using syntax like %.2f.

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format() is a modern and flexible method for string formatting.

It also supports indexed placeholders and alignment controls.

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f-strings were introduced in Python 3.6 and provide the cleanest syntax for formatting.

f-strings can also evaluate expressions directly inside the braces.

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• Decimal control for floats
• Left, right, and center alignment
• Expression evaluation inside f-strings
• Thousands separators and percentage formatting

These features make formatted output easier to read and present.

Method	Style
% operator	Old style
format()	Flexible and readable
f-string	Modern, clean, and fast