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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 _sanitize_mod_params(self, other):
 """Sanitize the object being modded with this Message. - Add support for modding 'None' so translation supports it - Trim the modded object, which can be a large dictionary, to only those keys that would actually be used in a translation - Snapshot the object being modded, in case the message is translated, it will be used as it was when the Message was created """

        if other is None:
            params = (other,)
        elif isinstance(other, dict):
            params = self._trim_dictionary_parameters(other)
        else:
            params = self._copy_param(other)
        return params