new_contents: """
  Compute Fibonacci sequence and learn python.
  Steve Tapp
  """
  import sys
  import timeit
  
  fib_seq = [0, 1]
  fib_even_sum = 0
  
  for fibnum in range (2, 50):
      fib_seq.append(fib_seq[-2] + fib_seq[-1])
      print (fibnum, fib_seq[fibnum])
      if fib_seq[-1] >= 4000000:
          break
      if not fib_seq[fibnum] % 2:
          print ('even', fib_seq[fibnum])
          fib_even_sum += fib_seq[fibnum]
  
  print ('Sum of even fibonacci terms under 4 million is ', fib_even_sum)
  
subject: Add fibonacci HW