def __str__(self):
    if (self._next == None):
        return (('child(' + str(self._nodeName)) + ')')
    else:
        return ((('child(' + str(self._nodeName)) + ').') + str(self._next))
def __str__(self):
    if (self._next == None):
        return (('child(' + str(self._nodeName)) + ')')
    else:
        return ((('child(' + str(self._nodeName)) + ').') + str(self._next))