The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Review - Public Private External an

The video tutorial explains the structure and functionality of two smart contracts, A and B. Contract A includes state variables and functions with different visibility levels, such as public, external, and internal. Contract B inherits from Contract A and demonstrates how function visibility affects data accessibility. The tutorial covers compiling, deploying, and testing the contracts, emphasizing the importance of understanding function visibility for effective smart contract development.

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