Have you ever used a phone book? Maybe not, but you probably have used a cell phone. You might even be reading this article on that phone right now. Inside each cell phone is a contact list where you can store and save contacts that you can reach out to whenever and almost wherever you want in the world, but how?

Every contact in your phone must be saved with a unique phone number, oftentimes along with a country code and a location-specific area code.

Now imagine you want to program something like a contact list, how would you go…

Mikayla Rivera

Just a fellow software engineer :)

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