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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 set_string(self, string_options):
 """Set a series of properties using a string. For example:: 'fred=12, tile' '[fred=12]' """


        vo = ffi.cast('VipsObject *', self.pointer)
        cstr = _to_bytes(string_options)
        result = vips_lib.vips_object_set_from_string(vo, cstr)

        return result == 0