[Tutor] calling a variable name

Kent Johnson kent37 at tds.net
Mon Oct 22 17:00:47 CEST 2007

Bryan Fodness wrote:
> Thank you.  This works well.  I am still trying to figure out the pros 
> and cons of using an array, dictionary or list.

Array is specialized, you probably want list or dict.

Use list when you want a sequence of items indexed by sequential integers.
- preserve order
- are fast for indexed lookup
- are relatively slow (O(n)) for adding, deleting and searching (though 
for small lists this should not be a consideration)

Use dict when you want to index by something other than sequential integers
- do not preserve order
- are fast for adding, deleting and lookup
- can be used to replace a list search with a lookup

I'm sure there is more that I have missed. For your case I would start 
with a list, I don't see anything requiring a dict.


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