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In this tutorial, we will look at the first five code blocks of Control category in detail one by one and understand how controls work in Scratch. We will also see the differences between the code blocks and will gain an understanding of when to use which type code block.
Code Blocks
1) Wait 'x' seconds
2) Repeat 'x'
3) Forever
4) If 'condition' then
5) If 'condition' then Else
Scratch Wiki: Table of Contents for Control Blocks
https://en.scratch-wiki.info/wiki/Scr...