| def fib(n): | |
| a,b = 0, 1 | |
| for x in xrange(n): | |
| a,b = b, a+b | |
| return a |
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| def fib(n): | |
| a,b = 0, 1 | |
| for x in xrange(n): | |
| a,b = b, a+b | |
| return a |