As of today, are as many online Python courses as there are wannabe CS gurus.
Nonetheless, there is one specific resource that I found, which not only is able to explain most concepts in a remarkably clear way, but above all it explains them within the context of applied economics: we’re talking about https://quantecon.org/.
Below you can find the content list of their first Python course, named Python Programming for Economics and Finance, together with some more advanced and quant-heavy courses.