Create a class representing an Otter which has a name, a number of fish, and a bestFriend, which is another Otter. In a main, create two Otters, Nigel and Clive, who are each others best friends. Give Nigel's best friend 3 fish. Give Clive's best friend's best friend's best friend's best friend 7 fish (write your code to reflect the way the problem is written).