rename keys in a dictionary

Posted by user366660 on Stack Overflow See other posts from Stack Overflow or by user366660
Published on 2010-06-14T20:35:57Z Indexed on 2010/06/14 20:42 UTC
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i want to rename the keys of a dictionary are which are ints, and i need them to be ints with leading zeros's so that they sort correctly.

for example my keys are like:

'1','101','11'

and i need them to be:

'001','101','011'

this is what im doing now, but i know there is a better way

tmpDict = {}
  for oldKey in aDict:
 tmpDict['%04d'%int(oldKey)] = aDict[oldKey]
newDict = tmpDict

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