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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def convert_value(self, v):
 """ convert the expression that is in the term to something that is accepted by pytables """


        def stringify(value):
            if self.encoding is not None:
                encoder = partial(pprint_thing_encoded,
                                  encoding=self.encoding)
            else:
                encoder = pprint_thing
            return encoder(value)

        kind = _ensure_decoded(self.kind)
        meta = _ensure_decoded(self.meta)
        if kind == 'datetime64' or kind == 'datetime':
            if isinstance(v, (int, float)):
                v = stringify(v)
            v = _ensure_decoded(v)
            v = Timestamp(v)
            if v.tz is not None:
                v = v.tz_convert('UTC')
            return TermValue(v, v.value, kind)
        elif kind == 'timedelta64' or kind == 'timedelta':
            v = Timedelta(v, unit='s').value
            return TermValue(int(v), v, kind)
        elif meta == 'category':
            metadata = com.values_from_object(self.metadata)
            result = metadata.searchsorted(v, side='left')

            # result returns 0 if v is first element or if v is not in metadata
            # check that metadata contains v
            if not result and v not in metadata:
                result = -1
            return TermValue(result, result, 'integer')
        elif kind == 'integer':
            v = int(float(v))
            return TermValue(v, v, kind)
        elif kind == 'float':
            v = float(v)
            return TermValue(v, v, kind)
        elif kind == 'bool':
            if isinstance(v, str):
                v = not v.strip().lower() in ['false', 'f', 'no',
                                              'n', 'none', '0',
                                              '[]', '{}', '']
            else:
                v = bool(v)
            return TermValue(v, v, kind)
        elif isinstance(v, str):
            # string quoting
            return TermValue(v, stringify(v), 'string')
        else:
            raise TypeError("Cannot compare {v} of type {typ} to {kind} column"
                            .format(v=v, typ=type(v), kind=kind))