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import bisect
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class Solution:
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    def reverse(self, x: int) -> int:
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        flag = 0
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        if x < 0:
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            x = abs(x)
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            flag = 1
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        l = [i for i in str(x)]
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        l.reverse()
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        ret = "".join(l)
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        ret = int(ret)
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        if flag == 1:
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            ret = ret * -1
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        if (ret >= (-(2**31))) and (ret <= ((2**31) - 1)):
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            return ret
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        else:
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            return 0