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Here is some Python code!

 1 # sample Python code snippet
 2 # bonus points if you know what this is
 3 from __future__ import generators
 4 
 5 def firstn(g, n):
 6     for i in range(n):
 7         yield g.next()
 8 
 9 def intsfrom(i):
10     while 1:
11         yield i
12         i = i + 1
13 
14 def exclude_multiples(n, ints):
15     for i in ints:
16         if (i % n): yield i
17 
18 def sieve(ints):
19     while 1:
20         prime = ints.next()
21         yield prime
22         ints = exclude_multiples(prime, ints)
23 
24 if __name__ == '__main__':
25     for i in firstn(sieve(intsfrom(2)), 400):
26     print i
Posted on Thursday, May 27, 2010