In Python, inner scopes can only see outer scopes, but not change them. This leads to a lot of confusion. Lambdas. Despite all of the flexibility within Python, the usage of Lambdas is rather ...

In Python 2.x, names outside the local scope are wholly inaccessible except by passing them in, unless they happen to be in the global scope. I have a class that has a couple of read-only/constant ...

At point A there are two variables foo and bar, with different scope, but both 'active' in the sense that they would be keeping their respective values alive in a GC based language. There is only ...