text: import sys
  """generator expressions"""
  
  evenNumbers = [element
                 for element in range(4401)
                 if (element % 2 == 0)
                 ]
  
  evenNumbersGenerator = (element
                          for element in range(4401)
                          if (element % 2 == 0)
                          )
  
  
  print(sum(evenNumbersGenerator))
  """
  print(evenNumbers)
  print(evenNumbersGenerator)
  
  for number in evenNumbersGenerator:
      print(number)
  
  print(sys.getsizeof(evenNumbers))
  print(sys.getsizeof(evenNumbersGenerator))
  """
  