How do I repeat the last command? The usual keys: Up, Ctrl+Up, Alt-p don\'t work. They produce nonsensical characters.
(ve)[kakarukeys@localhost ve]$ python
In IDLE, go to Options -> Configure IDLE -> Keys and there select history-next and then history-previous to change the keys.
Then click on Get New Keys for Selection and you are ready to choose whatever key combination you want.