using python3

Create a class called Besr that represents a bear object product. A bea object returns strings describing its interactions. See the doctests below for examples. You need to fill in the blanks (replace*** with your code) in order t make doctests work "" Creates a simple Bear class with 1 class attribute speciesl and 3 instance attribute color nickname, sound bear Bear l"black","Puffy" bear.apecies Kamnal' >hear-color black' > bear.makes sound("grE") bear.sound grry >>bear.change nickname ("Puf Fuff") >>> bear.ickane Puff PufE' pecies Tnitializer (Constructo) Instance Attributes det *, color, nicknmane RNN.Ncolor def change_nickname (self, new name)