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 performance ...

Perhaps not. Consider [Tushar Sadhwani] who wanted to create a classic C-style for loop inside of Python. He did it, and the journey is perhaps more interesting than the result. First, you can’t ...

In the following example, we loop through a list of numbers, and use the variable digit to hold each number in turn: Strings in Python are considered “sequences” — they can be iterated over ...

Despite looking like a function, range() is actually a built-in Python 3 immutable sequence type. As such, it’s grouped with lists and tuples as a way of collating data to loop later. As you’d expect, ...

Python works well on both of these platforms because of its flexibility, facilitated by its extensive list of built-in functions. By using the open() function and a simple loop, you can cycle ...

As a beginner in Python Steps 21 to 25 left me a bit confused and I had to look for external help to get some of them done. Step 21 says: Create a for loop to iterate over your graph, and append each ...