Longest Words

Takes a string and returns a tuple of longest words in the string. These words should be in the same order as they show in the given sentence. Assume longest words are unique (only show once).

# Input: String s | Output: tuple of Strings 

# e.g. "I came home from school and went straight to bed." | (straight) # e.g. "I read a long book. It was very good." | (read, long, book, very, good) # (Note: Longest word is 4 characters but there are multiple)