In [1]:

    

from euler import gen_prime, gen_lt


    

In [2]:

    

zip(gen_prime(), xrange(6))[-1][0]


    

    
Out[2]:





13

In [3]:

    

list(gen_lt(gen_prime(), 20))


    

    
Out[3]:





[2, 3, 5, 7, 11, 13, 17, 19]

In [4]:

    

%timeit sum(gen_lt(gen_prime(), 2000000))
sum(gen_lt(gen_prime(), 2000000))


    

    




1 loops, best of 3: 8.43 s per loop






    
Out[4]:





142913828922L