text: from datetime import timedelta, tzinfo
  
  
  class CET(tzinfo):
      def utcoffset(self, dt):
          return timedelta(hours=1)
  
      def dst(self, dt):
          return timedelta(hours=2)
  
  
  class UTC(tzinfo):
      def utcoffset(self, dt):
          return timedelta(0)
  
      def dst(self, dt):
          return timedelta(0)
  