(self)
return self._defs.keys()
An iterator that returns all live variables.

        :return: The iterator.
        :rtype: iter
An iterator that returns all live variables.
An iterator that returns all live variables .
def itervariables(self):
        """
        An iterator that returns all live variables.

        :return: The iterator.
        :rtype: iter
        """

        return self._defs.keys()
def itervariables ( self ) : return self . _defs . keys ( )