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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 get_crumb_list_by_selector(self, crumb_selector):
 """Return a list of crumbs."""

        return [
            self.parsedpage.get_text_from_node(crumb)
            for crumb in self.parsedpage.get_nodes_by_selector(crumb_selector)
        ]