Question: Modify function partition so that it groups together all elements duplicate of the pivot in the positions of indexes from k1 to k2, k1 k2.

Modify function partition so that it groups together all elements duplicate of the pivot in the positions of indexes from k1 to k2, k1 k2. Requirement: only one pass going through the list is allowed. That is, only one loop is allowed in the function. The function does not use an additional list either. Hint: use swaps to move elements around.

Need a code for it in python.

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