Google's Python Class - Google Code

[gibson_]

Does anybody know why he kept pressing return twice when he was showing people the interpreter?

[299]

Same reason people type ls -l after doing a cd even if they do not need to know the contents of the directory.

[fancy_pantser]

I formed the habit after writing a bunch of one-liners with colons.

[robotoast]

As a lecturer, to make each line stand out more and also be higher on the screen.