// check out the book only if it is in the list of available
// only if the person is a patron and the book is in the library and not currently checked out.
// update the book in the library not the book being passed into the method.
// update the due date for the book object
// return true if the book is successfully checked out and false otherwise
public boolean checkOut(Person p, Book b, String dueDate){
	// see if the person is in the name list
	if (!this.getPatrons().contains(p)){
		return false;
	}

	// see if the book is in the library and not get checked out
	if (!this.getLibraryBooks().contains(b)){
		return false;
	}

	if (dueDate.length() != 10){
		return false;
	}

	// update the due date of the book in the arrayList
	// a for loop is needed to change the actual book in the person
	for (Book loopBook: this.l){
		// checks if the book
		if  (loopBook.equals(b) && loopBook.isCheckedOut() == false){
			// sets the dues date, assigns it to the person
			loopBook.setDueDate(dueDate);
			p.addBook(loopBook);

			// changes the ischecked out book
			loopBook.setCheckedOut(true);
			return true;



		}

	}



	// return true or false
	// decrease the number of books in the library

	return true;
}