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In this tutorial, the instructor explains how to code an election contract. The goal is to conduct a free and fair election for a specified time, allowing only authorized voters. The tutorial begins by defining a custom data type called a struct, which groups related data types. A candidate struct is created to record a candidate's name and vote count, while a voter struct tracks whether a voter has voted and their chosen candidate. The contract owner will have special rights to authorize voters. Additionally, a mapping will store voter information, and a dynamically sized array of candidates will be initialized upon construction. The tutorial also covers how to define an array using square brackets and how to track the election's end time.
