Created
January 28, 2014 01:46
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| def is_prime(N): | |
| for x in xrange(2, N): | |
| if N % x == 0: | |
| return False | |
| return True | |
| def sum_prime(N): | |
| return sum(x for x in xrange(N) if is_prime(x)) |
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%timeit sum_prime(7919)
10 loops, best of 3: 152 ms per loop