new_contents: 
  class Proxy:
      def __init__(self, target_object):
          object.__setattr__(self, 'msg', OrderedDict())
          object.__setattr__(self, '_obj', target_object)
  
      def __getattr__(self, name):
          if name in self.msg:
              self.msg[name] += 1
          else:
              self.msg[name] = 1
          return getattr(self._obj, name)
  
      def __setattr__(self, name, value):
          if name in self.msg:
              self.msg[name] += 1
          else:
              self.msg[name] = 1
          setattr(self._obj, name, value)
          
  class Television:
      def power(self):
          print("Power is on now")
  
  # Usage
  tv=Proxy(Television())
  tv.power() # Power is on now
  print(tv.msg) # { 'power': 1 }
  
subject: Add proxy pattern