Speaking for direct personal experience: the Python community is amazingly generous. In some ways, more generous and giving and understandable than any other community I've been part of.

Of course, I'm grossly biased[1], and have been very lucky[2]

[1] http://jessenoller.com/2011/07/28/thank-you-the-impossibilit... [2] https://www.youtube.com/watch?feature=player_detailpage&...