Dave Gray offers a solid, free Python tutorial that runs for about 9 hours. It’s a pretty methodical course, starting with the basics and moving into more complex stuff like closures and recursion. He ...

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

J.B. Maverick is an active trader, commodity futures broker, and stock market analyst 17+ years of experience, in addition to 10+ years of experience as a finance writer and book editor. Andy Smith is ...

How many 'blue' phrases do you know? Learn three more here.