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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 add_item(self, key, value, cache_name=None):
 """Add an item into the given cache. This is a commodity option (mainly useful for testing) allowing you to store an item in a uWSGI cache during startup. :param str|unicode key: :param value: :param str|unicode cache_name: If not set, default will be used. """

        cache_name = cache_name or ''
        value = '%s %s=%s' % (cache_name, key, value)

        self._set('add-cache-item', value.strip(), multi=True)

        return self._section