Adjacent Digits Product

import unittest

NUMB = "7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450"

def adjacent_digits_product(numb_str, digits_count):

	highestProduct = 0
	
	# turn string to list and then turn them all to ints
	numbers = map(int, list(numb_str))
	
	for index, digit in enumerate(numbers):
		# start with 1 because it's *= so if it's zero everything is 0
		currentProduct = 1 
		
		for i in range(digits_count):

			try:
				currentProduct *= numbers[i + index]
			except IndexError:
				 # the last few digits are out of bounds, but I don't really care
				pass

		if currentProduct > highestProduct:
			highestProduct = currentProduct

	return highestProduct


class AdjTestCase(unittest.TestCase):
 
	def test_4_digits(self):
		self.assertEqual(adjacent_digits_product(NUMB, 4), 5832)
 
	def test_5_digits(self):
		self.assertEqual(adjacent_digits_product(NUMB, 5), 40824)
 
	def test_13_digits(self):
		self.assertEqual(adjacent_digits_product(NUMB, 13), 23514624000)
 
 
if __name__ == '__main__':
	print adjacent_digits_product(NUMB, 50)
	unittest.main()