Solidity 101

1. HelloWeb3 (Solidity in 3 lines)

2. Value Types

3. Function

4. Function Output (return/returns)

5. Data Storage and Scope

6. Array & Struct

7. Mapping

8. Initial Value

9. Constant and Immutable

10. Control Flow

11. constructor and modifier

12. Events

13. Inheritance

14. Abstract and Interface

15. Errors