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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 _init_datatable(self):

 """
 Instantiates the .datatable attribute, pointing to a table in the
 database that stores all the cached data
 """

        try:
            self.datatable = Table(self.name, Base.metadata, autoload=True)
        except NoSuchTableError:
            print "Creating datatable, cause it doesn't exist"
            self.datatable = self._datatable_factory()
            self.datatable.create()
        self.datatable_exists = True