people of this house are very helpful. please help I can solve this question

Question

Fill in the blanks to create a Dog class with a class variable "legs" and a class method "legs" that returns the value of the class variable.
Dog
@@legs = 4
def
.legs
end
end
puts Dog.legs

Answer 1

class Dog
@@legs = 4
def self.legs
@@legs
end
end
puts Dog.legs

Answer 2

"Rearrange" the code to take the content of sample.txt and append it to dest.txt. ruby

Answer 3

You need to define methods name and make puts or return statement of legs