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.

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 ...

$ python iterator_test.py 463 926 1389 1852 Let’s take a look at what’s going on. We made our own class and defined a __next__ method, which returns a new iteration every time it’s called.

If you need to iterate through a dictionary to inspect all of its keys or values, there are a few different ways to do it. The most common is to use a for loop on the dictionary—e.g., for item ...