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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 _set_supported_content_type(self, content_types_supported):
 """ Checks and sets the supported content types configuration value. """

        if not isinstance(content_types_supported, list):
            raise TypeError(("Settings 'READTIME_CONTENT_SUPPORT' must be"
                             "a list of content types."))

        self.content_type_supported = content_types_supported