Have you ever tried to find the quickest way to get somewhere on a map when the streets are busy? And have you noticed how easy it is to see who your friends know on social media? Well, both of these things use something called a graph. It’s like a map that helps computers figure out connections and the best routes. It’s what makes finding friends and navigating streets so smooth.
## Graph Data Structure
A graph is a collection of `nodes` (vertices) interconnected by `edges`. This abstractio