Python’s new template strings, or t-strings, give you a much more powerful way to format data than the old-fashioned f-strings. The familiar formatted string, or f-string, feature in Python ...

Use the ISO 8601 string format, described in the next section. ... How to use template strings in Python 3.14. May 14, 2025 6 mins. feature. The best new features and fixes in Python 3.14.