~~~ ruby
def what?
  42
end
~~~

~~~ ruby
def what?
  42
end
~~~
{:.class1}

~~~
def what?
  42
end
~~~
{: .language-ruby}

~~~ ruby
def what?
  42
end
~~~
{: .language-python}

~~~ ruby
def what?
  42
end
~~~
{: class="language-python"}