How to retain leading zeros of int variables?

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Though the comments above are true regarding 1, 01, and 001, are all the same as an int, it can be very helpful in temporal modeling, or sequential movie making to maintain the leading zeros. I do it often to ensure movie clips are in proper order. The easy way to do that is using zfill() to ensure the str version of the number has at least the number of characters you tell it, and does so by filling in the left-side of the string “number” with zeros.

>>> x = int(1)    
>>> NewStringVariable = str(x).zfill(3)    
>>> print NewStringVariable    
001    
>>> NewStringVariable = str(x).zfill(5)    
>>> print NewStringVariable    
00001

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