Pythons
A Python course from GitHub -- Practical Python
The author is an experienced programmer who started to learn Python 25 years ago. And then David was struck by the productivity of Python bought to all sorts of mess work. Later David started to teach others to program and there was this course. The target audience are those who already have experience in at least one language, but no prior Python knowledge is required. It covers foundational aspects of Python programming and data manipulation.
tutorial github