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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 write_to_file(self, f, file_unit=angstrom):
 """Write the trajectory to a file Argument: | ``f`` -- a filename or a file-like object to write to Optional argument: | ``file_unit`` -- the unit of the values written to file [default=angstrom] """

        xyz_writer = XYZWriter(f, self.symbols, file_unit=file_unit)
        for title, coordinates in zip(self.titles, self.geometries):
            xyz_writer.dump(title, coordinates)