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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):
 """Applies the transform functions to the given maps object. Parameters maps : dict, or FieldArray Returns ------- dict or FieldArray A map object containing the transformed variables, along with the original variables. The type of the output will be the same as the input. """

        if self.transform_functions is None:
            raise NotImplementedError("no transform function(s) provided")
        # copy values to scratch
        self._copytoscratch(maps)
        # ensure that we return the same data type in each dict
        getslice = self._getslice(maps)
        # evaluate the functions
        out = {p: self._scratch[func][getslice]
               for p,func in self.transform_functions.items()}
        return self.format_output(maps, out)