Here, the output will be “50” because the number 5 is passed with the Python function call, which returns that value multiplied by 10. Notice how we can write the Python function call just as ...

As your programs get bigger, you'll find yourself typing the same code over and over. That’s where functions come in. A function is a reusable block of code that you can "call" whenever you need it.

In Python, the mere act of making a function call incurs a relatively large amount of overhead. If some function is called repeatedly in a tight loop, even if it isn’t a long-running function ...