Hackerrank , 30 Days of Code Challenges ( Day 10 & Day 11 Solutions)

Day 10: Binary Numbers    :

import sys
n = int(raw_input().strip())
string = '{0:b}'.format(n)
array=string.split('0')
array.sort()
print len(array[len(array)-1])

Day 11: 2D-Arrays    :
arr = []
max=-999
for arr_i in xrange(6):
   arr_temp = map(int,raw_input().strip().split(' '))
   arr.append(arr_temp)

for i in xrange(4):
    for j in xrange(4):
        temp=arr[i][j]+arr[i][j+1]+arr[i][j+2]+arr[i+1][j+1]+arr[i+2][j]+arr[i+2][j+1]+arr[i+2][j+2]
    if temp > max:
        max=temp

print max