Split and Delimit

Write a function that splits a string into substrings of size n, adding a specified delimiter between each of the pieces.

Examples

split_and_delimit("bellow", 2, "&") ➞ "be&ll&ow"

split_and_delimit("magnify", 3, ":") ➞ "mag:nif:y"

split_and_delimit("poisonous", 2, "~") ➞ "po~is~on~ou~s"

Notes

N/A