Is there any way to suggest improvements, or heck, raise PRs, instead of using the feedback button? For example, the for in Python should include an example us

Is there any way to suggest improvements, or heck, raise PRs, instead of using the feedback button? For example, the for in Python should include an example using enumerate too which I'd be happy to add and contain some additional docs on xrange vs range in Python 2 vs Python 3.