Stop: In the above example, you can find the outcomes of the last four commands are all 312. What's the difference between them? Why do we need different ways to find the same outcome? Try ...

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, ...

After many proposals to add a switch/case-like syntax to Python failed, a recent proposal by Python language creator Guido van Rossum and a number of other contributors has been accepted for ...