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 ...

By using the open() function and a simple loop, you can cycle through a list of file names and assign a variable with a reference to that file, storing it for later use. Create a list of file names.

I'm a noobie to real programming, i've done shell scripting before and just recently started reading some python docs. I've been in several situations now where I want to iterate over an object's ...

If you want to add items to a list in a loop, then you do have to declare an empty list beforehand. Don’t understand me wrong, there are a lot of nice Ideas in Python, but the overall language ...

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… ...

Listing 1. Looping through a Dictionary. In addition, three new built-in dictionary methods have been introduced to define the iteration: myDict.iterkeys() (iterate through the keys), ...