code: def visit_annassign(self, node):
          
  
          target = node.target.accept(self)
          annotation = node.annotation.accept(self)
          if node.value is None:
              return "%s: %s" % (target, annotation)
          return "%s: %s = %s" % (target, annotation, node.value.accept(self))
docs: Return an astroid.AugAssign node as string