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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 _spinboxValueChanged(self, index, spinBox=None):
 """ Is called when a spin box value was changed. Updates the spin boxes and sets other combo boxes having the same index to the fake dimension of length 1. """

        if spinBox is None:
            spinBox = self.sender()
        assert spinBox, "spinBox not defined and not the sender"

        logger.debug("{} sigContentsChanged signal (spinBox)"
                      .format("Blocked" if self.signalsBlocked() else "Emitting"))
        self.sigContentsChanged.emit(UpdateReason.COLLECTOR_SPIN_BOX)