String templates contain placeholders that represent variable values, which can be replaced dynamically during runtime. Before Python 3.14, multiple tools were available for string interpolation and formatting. The string formatting operator (%) is the oldest method, mirroring C's printf() syntax. This operator utilizes placeholders such as %s for strings and %d for integers to interpolate data. Additionally, it allows for various formatting rules, facilitating the creation of structured content like formatted currency.
String templates are strings containing placeholders that can be populated with specific values dynamically at runtime, used for generating textual content.
The string formatting operator (%) is the oldest tool in Python for string formatting, allowing interpolation and formatting of values within strings.
With the % operator, variables can be placed into templates using placeholders with conversion types such as %s for strings and %d for decimal integers.
Formatting rules can be applied to the input values, enabling the creation of formatted outputs, such as currency values, within string templates.
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