Mundo 1 - Fundamentos: http://www.cursoemvideo.com/course/curso-python-3/
Mundo 2 - Estruturas de Controle: https://www.youtube.com/playlist?list=PLHz_AreHm4dk_nZHmxxf_J0WRAqy5Czye
Mundo 3 - Estruturas Compostas: https://www.youtube.com/playlist?list=PLHz_AreHm4dksnH2jVTIVNviIMBVYyFnH
Download do Python 3: https://www.python.org/downloads/