Develop a program that will ask the user to input a number and then prints out the three letter abbreviation for the month that the number corresponds too. this program should rely on a string slicing to retrieve the abbreviation from a string containing all the possible month abbreviations. the string will look as follows: "". your program must use slicing, and may not use "if" statements to perform the slicing. you program may use "if" statements in order to ensure the input is valid.