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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 options(self, **options):
 """Adds input options for the underlying data source. You can set the following option(s) for reading files: * ``timeZone``: sets the string that indicates a timezone to be used to parse timestamps in the JSON/CSV datasources or partition values. If it isn't set, it uses the default value, session local timezone. """

        for k in options:
            self._jreader = self._jreader.option(k, to_str(options[k]))
        return self