Is this, that? http://pythontutor.com/cpp.html#mode=display http://pythontutor.com/cpp.html#mode=display I tried your code, and was stunned. Now to paste ...

Is this, that? http://pythontutor.com/cpp.html#mode=display http://pythontutor.com/cpp.html#mode=display I tried your code, and was stunned. Now to paste ... something larger