Decompress Run-Length Encoded List LeetCode solution in Python

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class Solution:
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    def decompressRLElist(self, nums: List[int]) -> List[int]:
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        answer = []
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        for i in range(0, len(nums), 2):
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            for j in range(0, nums[i]):
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                answer.append(nums[i + 1])
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        return answer