code: def visit_return(self, node):
          
          if node.is_tuple_return() and len(node.value.elts) > 1:
              elts = [child.accept(self) for child in node.value.elts]
              return "return %s" % ", ".join(elts)
  
          if node.value:
              return "return %s" % node.value.accept(self)
  
          return "return"
docs: return an astroid.Return node as string