Working with files in Python is pretty easy. But there’s a common mistake that can sneak into your code. Not closing the file ...

Loops are a commonly used structure in programming that allows you to repeat a block of code a set number of times, or until you meet a particular condition. This is useful for many reasons. For ...

Many programs have a need to iterate over a large list of generated data. The conventional way to do this would be to calculate the values for the list and populate it, then loop over the whole thing.

For our first program, let's print a string or text in the console, also known as the command line interface. For that, we'll use the print () function in Python.

But Python has this functionality built in. One of Python’s native libraries, functools, has the @functools.lru_cache decorator, which caches the n most recent calls to a function.

python iprocess.py 4 33 2 python iprocess.py --sum 10 20 30 In the first case, the program will select and print the largest number. In the second case, it will add all the arguments together.