String slicing in Python can be done in two ways. Learn how to slice a Python string and see some useful trick in this guide.

Python uses lists and other libraries to create arrays. Check out these simple examples to see how to add to an array.

Good programmers use data structures. Learn about what data structures are and the different elementary types in this guide.

The Bash declare command is used to declare, set and display variables and their attributes in Linux. Learn more about it in this tutorial.

Learn how to use the Bash script for loop by following the hands-on examples provided in this easy to follow Bash tutorial.