In this tutorial, we will look at all the code blocks of Variables category and understand them one by one. We will make a simple program and demonstrate how to use them in our code.
Code Blocks
1) Change 'variable' by 'x'
2) Set 'variable' to 'x'
3) Hide variable 'x'
4) Show variable 'x'
Scratch Wiki: Table of Contents for Variables
https://en.scratch-wiki.info/wiki/Scratch_Wiki:Table_of_Contents/Variables_Blocks