def test_is_pandigital_pair(self):
self.assertTrue(my_module.is_pandigital_pair(39, 186))
self.assertFalse(my_module.is_pandigital_pair(1, 9671))
import my_module
products = []
for a in xrange(10, 100):
for b in xrange(100, 1000):
if my_module.is_pandigital_pair(a, b):
products.append(a * b)
for a in xrange(1, 10):
for b in xrange(1000, 10000):
if my_module.is_pandigital_pair(a, b):
products.append(a * b)
print(sum(list(set(products))))
