> I think such a IDE for Python would really be helpful for beginners. Not text-based, but more like Visual Basic. But everything integrated, everything easily discoverable (that's very important!). Maybe also with such a GUI builder as in VB. And a built-in debugger.

That was Boa Constructor, starting in 2000: https://boa-constructor.sourceforge.net/. It seemed good at the time, but never caught on.