It allows one of a number of possible actions to be taken based on the value of a given variable or expression. While Python has lacked a native syntax for pattern matching, it has been possible ...

Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.

The negative here is that the number of lines of code increases from the ... Matcher matcherStartMiddle = PATTERN_START_MIDDLE.matcher(intermediateResult); output = matcherStartMiddle.replaceFirst("") ...

Equally popular with both school children and cutting-edge AI modellers, any new addition to the language, or tidying of the legacy code ... for Python 3.10 (due in October) is structural pattern ...