def test_nth_digit_Fibonacci_number_4(self): self.assertEqual(next_fibonacci_number(10 ** (4 - 1)), (17, 1597))
def test_nth_digit_Fibonacci_number_2(self): self.assertEqual(next_fibonacci_number(10 ** (2 - 1)), (7, 13))
def test_nth_digit_Fibonacci_number_3(self): self.assertEqual(next_fibonacci_number(10 ** (3 - 1)), (12, 144))
The 12th term, F_12, is the first term to contain three digits. What is the first term in the Fibonacci sequence to contain 1000 digits? ''' import unittest from problems.utils import next_fibonacci_number # ============================================================================= # Unit tests # ----------------------------------------------------------------------------- class Test(unittest.TestCase): def test_nth_digit_Fibonacci_number_2(self): self.assertEqual(next_fibonacci_number(10 ** (2 - 1)), (7, 13)) def test_nth_digit_Fibonacci_number_3(self): self.assertEqual(next_fibonacci_number(10 ** (3 - 1)), (12, 144)) def test_nth_digit_Fibonacci_number_4(self): self.assertEqual(next_fibonacci_number(10 ** (4 - 1)), (17, 1597)) # ============================================================================= # Solution of the Euler task # ----------------------------------------------------------------------------- print(next_fibonacci_number(10 ** (1000 - 1)))