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Code from video: https://solidity-by-example.org/function/
You can access the Turkish video content prepared by İTÜ Blockchain here (the video consists functions, funtion modifiers and function visibility): https://www.youtube.com/watch?v=J_B_uPnspws&list=PLby2HXktGwN4Cof_6a8YwlMrboX8-hs73&index=3
A function is basically a group of code that avoids writing the same code over and over again, saving excessive memory usage and reducing program execution time. With the use of functions, the program is divided into functions and becomes more understandable and manageable.
The video above explains how to write a basic function in Solidity. Many more topics and keywords related to function are going to be explained in upcoming videos.
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