Please help me about Classes and Objects to complete this

Question

Declare a class named Dog and implement a function inside named bark() . The function will print "woof woof" when it's called.

Answer 1

You should first do a try by yourself in sololearn playground, and post a link from this code here.

Answer 2

You should continue your python course, this is very basic stuff and well explained in the lessons.
https://www.sololearn.com/learn/Python/2467/