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In this tutorial, we will learn to code an election contract for a free and fair election with authorized voting. We begin by creating a custom data type, a struct, to define a candidate, which will store their name and vote count. Additionally, we define a voter struct to track whether a voter has voted and whom they voted for. The contract owner will have special privileges to authorize voters. We will implement a mapping to store voter information and a dynamically sized array for candidates, initialized during construction. The format for defining an array is to use square brackets after the data type. Finally, we will also track the election's end time.
