<?php
/*Create a function that will calculate the average temperature of Seoul, South Korea.
Seoul: 0.6, 3.3, 9.4, 16.7, 22.2, 26.1, 27.8, 28.9, 25.0, 18.9, 10.6, 3.3
Display the final average temperature of Seoul.
Include comments in your script to explain what you have done.
*/
//FUNCTION...