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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 importFile(self, srcUrl, sharedFileName=None):
 """ Imports the file at the given URL into job store. See :func:`toil.jobStores.abstractJobStore.AbstractJobStore.importFile` for a full description """

        self._assertContextManagerUsed()
        return self._jobStore.importFile(srcUrl, sharedFileName=sharedFileName)