I have been trying to convert following code to Python but I couldn't figure out the way to do it. How can I slice a boolean list in Python?

I couldn't find how to create boolean list with same length of the input. I kept getting error at the line: checks[j] = true when I try to convert it to Python. I guess slicing a boolean list is not allowed in Python.

int result = 0;
Boolean lightsOn = true;

Boolean[] checks = new Boolean[input.Length]; 

for (int i = 0; i < input.Length; i++)
{
    int j = input[i] - 1;
    checks[j] = true;  
    for (; 0 <= j; j--)
    {
        if (!checks[j]) # also this part
        {
            lightsOn = false;
            break;
        }
    }
    if (lightsOn)
    {
        result++;
    }
    lightsOn = true;
}


return result;

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