Which of the following are true?

If you want to learn anything from this question you should first try to use the documentation and/or the dir and help function to predict how the various methods will behave. You can then check your predictions by typing the expressions into the shell.

Important Note: It would be a good idea to spend a bit of time trying to understand what string methods are available, as you will need them repeatedly throughout the rest of this course. Sometimes, knowing about the existence of particular methods can save you hours of wasted effort trying to re-invent the wheel!