def test_is_hexagonal(self):
"""Test is_hexagonal()"""
h_numbers = [1, 6, 15, 28, 45, 66, 91, 120, 153, \
190, 231, 276, 325, 378, 435, 496, \
561, 630, 703, 780, 861, 946]
for number in h_numbers:
self.assertTrue(fn.is_hexagonal(number),
"%d should be hexagonal" % number)
not_h_numbers = [2, 4, 7, 27, 37, 56, 277, 396, 524, 850]
for number in not_h_numbers:
self.assertFalse(fn.is_hexagonal(number),
"%d should not be hexagonal" % number)
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.")
