As a high-level language, Python can easily interact with the file system. In fact, if you want to check if a file exists, Python has you covered.
What should you do when you have two lists and you want to add each pair of elements? As it turns out, it’s easier than you think to sum elements of two lists.
Ever needed to invert a dictionary in Python? Look no further than this brief article which details three different ways to invert a dictionary.