So, we’ve got a switch statement with slightly different syntax ... right out of the feature proposal to add the keyword in question to Python: I find an efficiency hit a small price to pay ...

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.

such as switch/case in C. 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 ...