[Solved] House robber in Python Explanation

In this code on each for iteration doing like below:

temp = last
last = now
now = max(temp + i, now)

so this code in c++ actually looks like:

last = 0;
now = 0;

for (int i = 0; i < num.length; i++) {
    temp = last;
    last = now;
    now = max(temp + nums[i], now);
}