(self)
return self.args[0]
Returns the label (Integer or integer expression) of the Idx object.

        Examples
        ========

        >>> from sympy import Idx, Symbol
        >>> Idx(2).label
        2
        >>> j = Symbol('j', integer=True)
        >>> Idx(j).label
        j
        >>> Idx(j + 1).label
        j + 1
Returns the label (Integer or integer expression) of the Idx object.
Returns the label ( Integer or integer expression ) of the Idx object .
def label(self):
        """Returns the label (Integer or integer expression) of the Idx object.

        Examples
        ========

        >>> from sympy import Idx, Symbol
        >>> Idx(2).label
        2
        >>> j = Symbol('j', integer=True)
        >>> Idx(j).label
        j
        >>> Idx(j + 1).label
        j + 1

        """
        return self.args[0]
def label ( self ) : return self . args [ 0 ]