In [79]:
test = [1, 5, 2, 4, 1, 6]
test2 = [1,1,1]
test3 = [2,4,2]

In [92]:
def houseRober(nums):
    a = 0
    b = 0
    for i in range(0, len(nums)):
        if i % 2 == 0:
            a = max(a+nums[i], b)
        else:
            b = max(a, b+nums[i])
    return max(a, b)

In [93]:
temp(test)


Out[93]:
15