text: import numpy as np
  from datetime import datetime
  startTime = datetime.now()
  
  max_prime = 2000000
  primes = range(2,max_prime)
  length = len(primes)
  
  for idx in range(len(primes)):
      p = primes[idx]
      if p == 0:
          continue
          
      # No multiples of any prime is a prime
      for i in range(2, (length + 1) / p + 1):
          primes[p*i - 2] = 0
      
  primes = [y for y in primes if y != 0]
  
  print "Time to make list", datetime.now() - startTime
  
  print 'sum_of_primes less than', max_prime,':', np.sum(primes)
  