text: import random
  
  
  class Ages:
      def __init__(self, age=None):
          if not age:
              age = random.choice(range(0, 99))
          self.age = age
  
      def __str__(self):
          return str(self.age)
  
      def __add__(self, other):
          self.age += other
  
      @staticmethod
      def func():
          print("THIS IF FUNC")
  
  
  def foo():
      def bar():
          print("in bar")
  
      print("in foo")
      return bar
  
  
  def foobar():
      print("this is foobar")
  
  
  foo()()
  foobar()
  a = Ages(2)
  b = Ages()
  c = {1, 2, 3}
  