Maximum of Absolute Value Expression LeetCode solution in Python

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class Solution(object):
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    def maxAbsValExpr(self, arr1, arr2):
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        """
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        :type arr1: List[int]
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        :type arr2: List[int]
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        :rtype: int
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        """
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        max_ppp, max_ppm, max_pmp, max_pmm = (
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            float("-inf"),
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            float("-inf"),
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            float("-inf"),
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            float("-inf"),
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        )
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        min_ppp, min_ppm, min_pmp, min_pmm = (
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            float("inf"),
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            float("inf"),
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            float("inf"),
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            float("inf"),
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        )
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        for i, (a, b) in enumerate(zip(arr1, arr2)):
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            ppp = a + b + i
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            if ppp > max_ppp:
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                max_ppp = ppp
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            if ppp < min_ppp:
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                min_ppp = ppp
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            ppm = a + b - i
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            if ppm > max_ppm:
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                max_ppm = ppm
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            if ppm < min_ppm:
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                min_ppm = ppm
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            pmp = a - b + i
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            if pmp > max_pmp:
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                max_pmp = pmp
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            if pmp < min_pmp:
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                min_pmp = pmp
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            pmm = a - b - i
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            if pmm > max_pmm:
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                max_pmm = pmm
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            if pmm < min_pmm:
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                min_pmm = pmm
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        return max(
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            max_ppp - min_ppp, max_ppm - min_ppm, max_pmp - min_pmp, max_pmm - min_pmm
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        )