What if...

Use Jeroo to answer the following questions: List the exact message if there is an error.

1. What if a jeroo tried to pick a flower and there is no flower?
2. Can a jeroo hop backwards? thisjeroo.hop(-1)?
3. What if you create a new jeroo in a space that has water in it?
4. What if you create a new jeroo in a space that has a net in it?