[Golang] How to marshal and unmarshal JSON?

JSON 101 in Golang, marshalling and unmarshalling!

The in-built JSON package: https://golang.org/pkg/encoding/json/

Happy coding!

Checkout my Go playlist: https://www.youtube.com/playlist?list=PLfyLecA5DLOdh27bITpI89JZ0zvV3eEAy

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Golang version: 1.15
IDE: Goland
OS: Mac
Accent: French