Solidity is a powerful and popular programming language that forms the backbone of the decentralised revolution. As the primary language for writing smart contracts on blockchain platforms like Ethereum, Solidity empowers developers to create secure, transparent, and self-executing contracts.

With Solidity, developers can build a wide range of decentralised applications (dApps) that are reshaping industries and disrupting traditional systems. Whether it's decentralised finance (DeFi) protocols, non-fungible tokens (NFTs), decentralised exchanges (DEXs), or decentralised autonomous organisations (DAOs), Solidity provides the foundation for trustless and tamper-proof interactions.

In this lab, you will learn how to use user defined functions in Solidity programming language and how to use Solidity control stuctures in practice.

Learning objectives

Upon completion of this beginner-level lab, you will be able to:

• Declare a function. 
• Make use of different function return types.
• Use if – else statements. 

Intended audience

• Individuals studying software engineering.
• Individuals who have an interest in crypto technologies.