Lots of Irritating Single Parens
(Although why anyone who has looked at the tail of some bit of C-derived language with its apparently endless sequence of close braces, carefully arranged one-per line to maximise the wasted screen real-estate would say this is beyond me. One of Python's few good features is that it is impossible to do this when writing Python -- although somewhere, no doubt, there are coding style guidelines which say that Python definitions must be separated from the following definition by 1 + number-of-nesting-levels blank lines.)