8-LargestProductSeries.py

"""
Find N adjacent digits in a given number that have the greatest product. What is the value of this product?

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"""

import utils

N = int(input("Enter N: "))
number = input("Enter number: ")
while len(number) < N:
    number = input("Number too small. Enter again: ")

number = [int(digit) for digit in number]
maxProd = utils.list_product(number[:N])
for i in range(len(number) - N):
    maxProd = max(maxProd, utils.list_product(number[i : N + i]))

print(maxProd)