The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Solution - Strengthen Your Understa

The video tutorial explains how to handle data without altering its original state by creating a new variable for output. It demonstrates the process of adding values to data, returning new data, and addressing state mutability warnings by using 'pure'. The tutorial also highlights the importance of scope, showing that the original data remains unchanged despite multiple function executions.

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