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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 experiments_get(self, resource_url):
 """Get handle for experiment resource at given Url. Parameters resource_url : string Url for experiment resource at SCO-API Returns ------- scoserv.ExperimentHandle Handle for local copy of experiment resource """

        # Get resource directory, Json representation, active flag, and cache id
        obj_dir, obj_json, is_active, cache_id = self.get_object(resource_url)
        # Create experiment handle. Will raise an exception if resource is not
        # in cache and cannot be downloaded.
        experiment = ExperimentHandle(obj_json, self)
        # Add resource to cache if not exists
        if not cache_id in self.cache:
            self.cache_add(resource_url, cache_id)
        # Return experiment handle
        return experiment