code: function getOrdinal(value) {
      const lastDigit = value % 10;
      if (lastDigit === 1) {
          return `${value}st`;
      }
      else if (lastDigit === 2) {
          return `${value}nd`;
      }
      else if (lastDigit === 3) {
          return `${value}rd`;
      }
      else {
          return `${value}th`;
      }
  }
docs: Helper function to get an ordinal string like "1st", "2nd", "3rd"... Expects the input to be an integer. This is used to produce helpful names for tests and callbacks that weren't assigned more descriptive names by their developer.