new_contents: from itertools import count, takewhile
  
  
  def fib():
      a, b = 1, 0
      while(True):
          a, b = a + b, a
          yield a
  
  
  print sum(filter(lambda y: not y % 2, takewhile(lambda x: x <= 4000000, fib())))
  
subject: Add python solution to 002