Ray likes puzzles. One day, hechallenged Ansh with a puzzle to finda string that is the same when readforwards and backwards.Write an algorithm to find the sub-string from the given string that isthe same when read forwards andbackwards.InputThe input consists of a string-inputStr, representing the givenstring for the puzzle.OutputFrom the given string, print a sub-string which is the same when readforwards and backwards.NoteIf there are multiple sub-strings ofequal length, choose thelexicograph

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