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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 transform(self, maps):
 """ This function transforms from component masses and caretsian spins to chi_p. Parameters maps : a mapping object Examples -------- Convert a dict of numpy.array: Returns ------- out : dict A dict with key as parameter name and value as numpy.array or float of transformed values. """

        out = {}
        out["chi_p"] = conversions.chi_p(
                             maps[parameters.mass1], maps[parameters.mass2],
                             maps[parameters.spin1x], maps[parameters.spin1y],
                             maps[parameters.spin2x], maps[parameters.spin2y])
        return self.format_output(maps, out)