0008. Largest product in a series.py

from functools import reduce

series = '73167176531330624919225119674426574742355349194934' \
         '96983520312774506326239578318016984801869478851843' \
         '85861560789112949495459501737958331952853208805511' \
         '12540698747158523863050715693290963295227443043557' \
         '66896648950445244523161731856403098711121722383113' \
         '62229893423380308135336276614282806444486645238749' \
         '30358907296290491560440772390713810515859307960866' \
         '70172427121883998797908792274921901699720888093776' \
         '65727333001053367881220235421809751254540594752243' \
         '52584907711670556013604839586446706324415722155397' \
         '53697817977846174064955149290862569321978468622482' \
         '83972241375657056057490261407972968652414535100474' \
         '82166370484403199890008895243450658541227588666881' \
         '16427171479924442928230863465674813919123162824586' \
         '17866458359124566529476545682848912883142607690042' \
         '24219022671055626321111109370544217506941658960408' \
         '07198403850962455444362981230987879927244284909188' \
         '84580156166097919133875499200524063689912560717606' \
         '05886116467109405077541002256983155200055935729725' \
         '71636269561882670428252483600823257530420752963450'
product_list = []
for i in range(1000 - 13):
    sub = [int(x) for x in series[i:i + 13]]
    product = reduce(lambda x, y: x * y, sub)
    product_list.append(product)
print(max(product_list))