1
class Solution:
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    def isNumber(self, s: str) -> bool:
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        if (
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            s == "inf"
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            or s == "-inf"
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            or s == "+inf"
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            or s == "Infinity"
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            or s == "-Infinity"
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            or s == "+Infinity"
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        ):
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            return False
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        try:
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            float(s)
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        except Exception:
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            return False
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        return True