new_contents: sequence = [1,2]
  sequence_only_odds = [2]
  last_value = sequence[1]
  last_count = 2
  
  while last_value <= 4000000:
      last_value = sequence[last_count - 1] + sequence[last_count - 2]
      last_count += 1
      sequence.append(last_value)
  
      if last_value % 2 == 0:
          sequence_only_odds.append(last_value)
  
  print(sum(sequence_only_odds))
  
subject: Create problem-2.py