Write a function called mid that processes its argument text…

Write a function called mid that processes its argument text string s containing three columns separated by commas (and no spaces). It should return the middle column of numbers as a list of integers. Here is a sample input string that contains three lines, and each line is terminated with a \n newline characters. Assume there is always at least one line. s = “””23,9,1000,28,4253,29,7813″””