Alan Gauld wrote:
Use the list form, even though it does involve a few more keystrokes and
a lot more screen space. The extra typing to avoid the problems are not
worth it! :-)
If you're worried about the screen space and/or keystrokes, you can do this:
if direction.upper() in tuple('NSEW'): ...
instead of
if direction.upper() in ('N', 'S', 'E', 'W'): ...
You can also use list, set or frozenset instead of tuple., but I prefer
tuple because it signals the intention that the result should be read-only.
--
Steven
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