How to use “for” loops in Python. There are two main types of loop across programming. These are “for” loops and “while” loops. For loops are used to run through a range – for ...

A function is a block of code that performs one desired action. Common examples are the “print()” function that allows output code to be shown in the console “math.sqrt()”, which returns the square ...

If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant perfo… ...

The ending value (4 in this case) in the range() function isn't printed because it's excluded from the range. while Loop The while loop is used when you're uncertain how long the loop will run.

A generator is a kind of object that knows how to behave inside a Python for loop. (In other words, it implements the iteration protocol.) When put inside such a loop, the function will start to run.