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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 download(self, replace=False):
 """ Download the dataset from the hosted Yellowbrick data store and save it to the location specified by ``get_data_home``. The downloader verifies the download completed successfully and safely by comparing the expected signature with the SHA 256 signature of the downloaded archive file. Parameters replace : bool, default: False If the data archive already exists, replace the dataset. If this is False and the dataset exists, an exception is raised. """

        download_data(
            self.url, self.signature, data_home=self.data_home,
            replace=replace, extract=True
        )