Solve: Pet Whisperer

Created By: Geoffrey Challen

/ Version: 2020.10.0

Define a method named whisper. whisper should accept a single Pet instance and return a String?. If the pet is:

• a Cat you should return the result of calling meow()
• a Dog you should return the result of calling woof()
• a Snake you should return the result of calling hiss()
• otherwise return null.