Chewbacca number program is failing test cases

have a look at the following code

@kishoretaru for 999 ur o/p 000 ans 900 as no leading zero should come
hope ur doubt is cleared if yes dont forget to mark the doubt resolved :smiley:

Can u pls make the required change in the code

@kishoretaru here simply do it using strings as no is very large cant be stored in int

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