def test_get_triangular_number(self):
"""Test get_triangular_number()"""
t_numbers = [0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, \
66, 78, 91, 105, 120, 136, 153, 171, 190, \
210, 231, 253, 276, 300, 325, 351, 378, 406]
for index, expected in enumerate(t_numbers):
self.assertEqual(expected, fn.get_triangular_number(index))
def main():
"""Main program."""
answer = 0
start_time = time.time()
index = 285
while True:
index = index + 1
t_number = fn.get_triangular_number(index)
if fn.is_pentagonal(t_number) and fn.is_hexagonal(t_number):
answer = t_number
break
end_time = time.time()
print("The answer is %d" % answer)
print("%f seconds elapsed." % (end_time - start_time))
import pyperclip
pyperclip.copy(str(answer))
print("The answer has been placed in the clipboard.")
