Create a function to reproduce the wrap around effect shown:
wrapAround("Hello, World!", 2) ➞ "llo, World!He"
wrapAround("From what I gathered", -4) ➞ "eredFrom what I gath"
wrapAround("Excelsior", 30) ➞ "elsiorExc"
wrapAround("Nonscience", -116) ➞ "cienceNons"
offset can be negative.offset can be greater than the length of string.