from number_theory import fib
import math

n = 1
while math.log(fib(n), 10) < 999:
    n += 1
print(n)
 def test_nineteen(self):
     self.assertEqual(fib(19), 4181)
 def test_one(self):
     self.assertEqual(fib(1), 1)
 def test_nine(self):
     self.assertEqual(fib(9), 34)
 def test_zero(self):
     self.assertEqual(fib(0), 0)