Project Euler 8

"Maximum product in number sequence" † Take 13 consecutive numbers from the following 1000 digits and calculate their product. What is the value of the largest of such products?

Note: This issue has been recently updated. Please check if your parameters are correct. (5 → 13)

(Numbers omitted)

If the EX 6-digit number is 123789, there are two ways, 1 * 2 * 3 * 7 * 8 and 2 * 3 * 7 * 8 * 9, and the latter 2 * 3 * 7 * 8 * 9 = 3024 is the maximum product. Become. http://odz.sakura.ne.jp/projecteuler/index.php?cmd=read&page=Problem%208

For the time being, I wrote the code as I came up with it.

def main():
  target = '73167176531330624919225119674426574742355349194934'\
         + '96983520312774506326239578318016984801869478851843'\
         + '85861560789112949495459501737958331952853208805511'\
         + '12540698747158523863050715693290963295227443043557'\
         + '66896648950445244523161731856403098711121722383113'\
         + '62229893423380308135336276614282806444486645238749'\
         + '30358907296290491560440772390713810515859307960866'\
         + '70172427121883998797908792274921901699720888093776'\
         + '65727333001053367881220235421809751254540594752243'\
         + '52584907711670556013604839586446706324415722155397'\
         + '53697817977846174064955149290862569321978468622482'\
         + '83972241375657056057490261407972968652414535100474'\
         + '82166370484403199890008895243450658541227588666881'\
         + '16427171479924442928230863465674813919123162824586'\
         + '17866458359124566529476545682848912883142607690042'\
         + '24219022671055626321111109370544217506941658960408'\
         + '07198403850962455444362981230987879927244284909188'\
         + '84580156166097919133875499200524063689912560717606'\
         + '05886116467109405077541002256983155200055935729725'\
         + '71636269561882670428252483600823257530420752963450'
         
  max = 0
  leng = 13
  for i in range(len(target)-leng):
    j = 1
    for x in target[i:i+leng]:
      j *= int(x)
    if j > max:
      max = j
    
  #print max