Evaluate Reverse Polish Notation LeetCode solution in Python

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class Solution:
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    def evalRPN(self, tokens: List[str]) -> int:
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        stack = []
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        for i in tokens:
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            if i == "+":
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                stack[-1] = stack[-2] + stack.pop()
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            elif i == "-":
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                stack[-1] = stack[-2] - stack.pop()
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            elif i == "*":
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                stack[-1] = stack[-2] * stack.pop()
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            elif i == "/":
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                stack[-1] = int(stack[-2] / stack.pop())
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            else:
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                stack.append(int(i))
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        return stack.pop()