euler/python/e008.py

"""Discover the largest product of five consecutive digits in the 1000-digit number."""

NUMBER = """
73167176531330624919225119674426574742355349194934
96983520312774506326239578318016984801869478851843
85861560789112949495459501737958331952853208805511
12540698747158523863050715693290963295227443043557
66896648950445244523161731856403098711121722383113
62229893423380308135336276614282806444486645238749
30358907296290491560440772390713810515859307960866
70172427121883998797908792274921901699720888093776
65727333001053367881220235421809751254540594752243
52584907711670556013604839586446706324415722155397
53697817977846174064955149290862569321978468622482
83972241375657056057490261407972968652414535100474
82166370484403199890008895243450658541227588666881
16427171479924442928230863465674813919123162824586
17866458359124566529476545682848912883142607690042
24219022671055626321111109370544217506941658960408
07198403850962455444362981230987879927244284909188
84580156166097919133875499200524063689912560717606
05886116467109405077541002256983155200055935729725
71636269561882670428252483600823257530420752963450
""".replace('\n', '')

def main():
    max = 0
    set = None
    for i in range(len(NUMBER) - 4):
        product = 1
        for ii in [int(n) for n in NUMBER[i:i+5]]:
            product = product * ii
        if product > max:
            max = product
            set = NUMBER[i:i+5]
    
    print 'Max product is {0} from {1}'.format(max, set)

if __name__ == '__main__':
    main()