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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 setter_generator(field_name):
 """ Generate set_'field name' method for field field_name. """

    def set_translation_field(cls, value, language_code=None):
        setattr(cls.get_translation(language_code, True),
                field_name, value)
    set_translation_field.short_description = "set " + field_name
    return set_translation_field