The best way to learn coding is not by watching videos or books, but by execrices and activites. I reccomend W3 Schools for this.
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To learn original coding visit:
https://www.w3schools.com/
to make your projects executable download:
VisualStudio - https://code.visualstudio.com/Download - (for HTML CSS JS)
Intellij - https://www.jetbrains.com/idea/download/#section=windows - (Java Kotlin)
Appcode - https://www.jetbrains.com/objc/ - (C Cplusplus swift)