`[:]` is as easy to grep as anything: http://www.google.com/codesearch#search&q=%5C%5B:%5C%5D+lang:py http://www.google.com/codesearch#search&q=%5C%5B:%5C%5D+.

`[:]` is as easy to grep as anything: http://www.google.com/codesearch#search&q=%5C%5B:%5C%5D+lang:py http://www.google.com/codesearch#search&q=%5C%5B:%5C%5D+... If you don't know that `[:]` relates to slices then you might start by reading http://docs.python.org/tut http://docs.python.org/tut