# Chapter 5.1. Repetitions (Loops)

In the present chapter we will get familiar with repetitions of group of commands, also known in software development as "loops". We will write a number of loops using the for operator in its simplest form. Finally, we will solve series of practical problems that require repetition of series of actions, using loops.

## Video

Watch a video lesson on this chapter here: https://www.youtube.com/watch?v=Xjwjk9yS4uw.