Additional Problem: Write a program that displays the first and last words of a sentence input by the user. Assume that the only punctuations is a period at the end of the sentences. [Extra credit (5...

How do you do this?? Do the bonus point part too.


Extracted text: Additional Problem: Write a program that displays the first and last words of a sentence input by the user. Assume that the only punctuations is a period at the end of the sentences. [Extra credit (5 bonus points) if you can take in other punctuations as well].