Try going through the Flask tutorial (http://flask.pocoo.org/docs/) and see if it's easier to follow.
Here's some resources for getting started with Python (http://www.quora.com/How-can-I-learn-to-program-in-Python/an...).
And if you're a total newb and need to go over basic programming concepts in a simple language, try "Tcl for Web Nerds" (http://philip.greenspun.com/tcl/) -- it's what many Web developers cut their teeth on in the late 90s.
For database stuff, check out "SQL for Web Nerds" (http://philip.greenspun.com/sql/).