The second entails converting the string to a list, changing the character by referencing its index, and converting the list back into a string: /method 1/ >>>string.replace('a', 'b') 'This is b ...

Python 3.14 has a new feature called the template string, or t-string, type. A t-string superficially resembles an f-string, but it’s designed to do something very different.