@KajalPuri This exact post has been posted 6 times on various Stack Exchange sites in the past 24 hours. I have no way of telling if this is the same person on new accounts, or different people. Either way, I would advise you to read up on what makes a good question, and put some effort into asking rather than just dumping what is either (a) homework or (b) spam on us. — ArtOfCode 3 mins ago
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