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In this tutorial, the focus is on solving the complex problem of reconstructing an itinerary using airline tickets represented as graph edges, where each ticket indicates a source and destination airport. The nodes in the graph correspond to airports or cities. The goal is to reconstruct the flight history of a traveler who holds these tickets, starting from JFK airport, which will consistently serve as the starting point in the graph traversal. Understanding graphs and depth-first search (DFS) techniques is crucial for tackling this problem effectively.