Python
https://docs.python.org/3/
0.0.1 Numpy
https://numpy.org/
0.0.2 Pandas
https://pandas.pydata.org/docs/
Effective Pandas https://store.metasnake.com/effective-pandas-book
Charles Severance at the University of Michigan has an awesome 5-part track for learning Python
Raymond Hettinger - Beyond PEP 8 – Best practices for beautiful intelligible code - PyCon 2015