pragma solidity ^0.8.3;
      contract ConstructorIntro {
        address public owner;
        uint public x;
        constructor(uint _x) {
          // Here the owner is set to the caller
          owner = msg.sender;
          x = _x;

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      The code defines a constructor for a contract called "ConstructorIntro". The constructor takes an unsigned integer as an input, and sets the owner of the contract to the caller.


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